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Finding the Fourth Proportional to 8,894,500.80, 13,341,751.20 and 2,162,914.80

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Solution

The fourth proportional to 8,894,500.80, 13,341,751.20 and 2,162,914.80 is: 3,244,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894,500.80 : 13,341,751.20 = 2,162,914.80 : x
  2. Step 2: Convert to fraction form
    8,894,500.80/13,341,751.20 = 2,162,914.80/x
  3. Step 3: Cross multiply
    8,894,500.80x = 13,341,751.20 × 2,162,914.80
  4. Step 4: Simplify right side
    8,894,500.80x = 28,857,071,128,397.76
  5. Step 5: Solve for x
    x = 28,857,071,128,397.76/8,894,500.80
  6. Step 6: Final answer
    x = 3,244,372.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.