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Finding the Fourth Proportional to 52,059.70, 71,842.88 and 28,186.89

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Solution

The fourth proportional to 52,059.70, 71,842.88 and 28,186.89 is: 38,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,059.70 : 71,842.88 = 28,186.89 : x
  2. Step 2: Convert to fraction form
    52,059.70/71,842.88 = 28,186.89/x
  3. Step 3: Cross multiply
    52,059.70x = 71,842.88 × 28,186.89
  4. Step 4: Simplify right side
    52,059.70x = 2,025,027,156.90
  5. Step 5: Solve for x
    x = 2,025,027,156.90/52,059.70
  6. Step 6: Final answer
    x = 38,898.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.