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Finding the Fourth Proportional to 38,679.78, 58,008.41 and 14,982.04

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Solution

The fourth proportional to 38,679.78, 58,008.41 and 14,982.04 is: 22,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.78 : 58,008.41 = 14,982.04 : x
  2. Step 2: Convert to fraction form
    38,679.78/58,008.41 = 14,982.04/x
  3. Step 3: Cross multiply
    38,679.78x = 58,008.41 × 14,982.04
  4. Step 4: Simplify right side
    38,679.78x = 869,084,318.96
  5. Step 5: Solve for x
    x = 869,084,318.96/38,679.78
  6. Step 6: Final answer
    x = 22,468.70

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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.