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Finding the Fourth Proportional to 62,565.87, 86,342.57 and 35,339.79

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Solution

The fourth proportional to 62,565.87, 86,342.57 and 35,339.79 is: 48,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,565.87 : 86,342.57 = 35,339.79 : x
  2. Step 2: Convert to fraction form
    62,565.87/86,342.57 = 35,339.79/x
  3. Step 3: Cross multiply
    62,565.87x = 86,342.57 × 35,339.79
  4. Step 4: Simplify right side
    62,565.87x = 3,051,328,115.16
  5. Step 5: Solve for x
    x = 3,051,328,115.16/62,565.87
  6. Step 6: Final answer
    x = 48,769.85

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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.