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Finding the Fourth Proportional to 52,614.85, 72,610.05 and 28,741.92

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Solution

The fourth proportional to 52,614.85, 72,610.05 and 28,741.92 is: 39,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,614.85 : 72,610.05 = 28,741.92 : x
  2. Step 2: Convert to fraction form
    52,614.85/72,610.05 = 28,741.92/x
  3. Step 3: Cross multiply
    52,614.85x = 72,610.05 × 28,741.92
  4. Step 4: Simplify right side
    52,614.85x = 2,086,952,248.30
  5. Step 5: Solve for x
    x = 2,086,952,248.30/52,614.85
  6. Step 6: Final answer
    x = 39,664.70

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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.