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Finding the Fourth Proportional to 32,068.96, 47,845.88 and 28,751.20

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Solution

The fourth proportional to 32,068.96, 47,845.88 and 28,751.20 is: 42,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,068.96 : 47,845.88 = 28,751.20 : x
  2. Step 2: Convert to fraction form
    32,068.96/47,845.88 = 28,751.20/x
  3. Step 3: Cross multiply
    32,068.96x = 47,845.88 × 28,751.20
  4. Step 4: Simplify right side
    32,068.96x = 1,375,626,465.06
  5. Step 5: Solve for x
    x = 1,375,626,465.06/32,068.96
  6. Step 6: Final answer
    x = 42,895.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.