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Finding the Fourth Proportional to 62,595.68, 86,353.12 and 55,432.92

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Solution

The fourth proportional to 62,595.68, 86,353.12 and 55,432.92 is: 76,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,595.68 : 86,353.12 = 55,432.92 : x
  2. Step 2: Convert to fraction form
    62,595.68/86,353.12 = 55,432.92/x
  3. Step 3: Cross multiply
    62,595.68x = 86,353.12 × 55,432.92
  4. Step 4: Simplify right side
    62,595.68x = 4,786,805,592.71
  5. Step 5: Solve for x
    x = 4,786,805,592.71/62,595.68
  6. Step 6: Final answer
    x = 76,471.82

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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.