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Finding the Fourth Proportional to 74,666.29, 111,932.19 and 27,248.29

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Solution

The fourth proportional to 74,666.29, 111,932.19 and 27,248.29 is: 40,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666.29 : 111,932.19 = 27,248.29 : x
  2. Step 2: Convert to fraction form
    74,666.29/111,932.19 = 27,248.29/x
  3. Step 3: Cross multiply
    74,666.29x = 111,932.19 × 27,248.29
  4. Step 4: Simplify right side
    74,666.29x = 3,049,960,773.46
  5. Step 5: Solve for x
    x = 3,049,960,773.46/74,666.29
  6. Step 6: Final answer
    x = 40,847.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.