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Finding the Fourth Proportional to 9,659,800.70, 14,489,701.05 and 5,180,824.70

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Solution

The fourth proportional to 9,659,800.70, 14,489,701.05 and 5,180,824.70 is: 7,771,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,800.70 : 14,489,701.05 = 5,180,824.70 : x
  2. Step 2: Convert to fraction form
    9,659,800.70/14,489,701.05 = 5,180,824.70/x
  3. Step 3: Cross multiply
    9,659,800.70x = 14,489,701.05 × 5,180,824.70
  4. Step 4: Simplify right side
    9,659,800.70x = 75,068,601,095,455.94
  5. Step 5: Solve for x
    x = 75,068,601,095,455.94/9,659,800.70
  6. Step 6: Final answer
    x = 7,771,237.05

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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.