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Finding the Fourth Proportional to 62,187.99, 85,732.47 and 52,589.32

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Solution

The fourth proportional to 62,187.99, 85,732.47 and 52,589.32 is: 72,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.99 : 85,732.47 = 52,589.32 : x
  2. Step 2: Convert to fraction form
    62,187.99/85,732.47 = 52,589.32/x
  3. Step 3: Cross multiply
    62,187.99x = 85,732.47 × 52,589.32
  4. Step 4: Simplify right side
    62,187.99x = 4,508,612,084.89
  5. Step 5: Solve for x
    x = 4,508,612,084.89/62,187.99
  6. Step 6: Final answer
    x = 72,499.73

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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.