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Finding the Fourth Proportional to 71,592.54, 99,011.79 and 62,624.46

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Solution

The fourth proportional to 71,592.54, 99,011.79 and 62,624.46 is: 86,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.54 : 99,011.79 = 62,624.46 : x
  2. Step 2: Convert to fraction form
    71,592.54/99,011.79 = 62,624.46/x
  3. Step 3: Cross multiply
    71,592.54x = 99,011.79 × 62,624.46
  4. Step 4: Simplify right side
    71,592.54x = 6,200,559,882.38
  5. Step 5: Solve for x
    x = 6,200,559,882.38/71,592.54
  6. Step 6: Final answer
    x = 86,609.02

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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.