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Finding the Fourth Proportional to 60,484.98, 90,717.20 and 18,354.90

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Solution

The fourth proportional to 60,484.98, 90,717.20 and 18,354.90 is: 27,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,484.98 : 90,717.20 = 18,354.90 : x
  2. Step 2: Convert to fraction form
    60,484.98/90,717.20 = 18,354.90/x
  3. Step 3: Cross multiply
    60,484.98x = 90,717.20 × 18,354.90
  4. Step 4: Simplify right side
    60,484.98x = 1,665,105,134.28
  5. Step 5: Solve for x
    x = 1,665,105,134.28/60,484.98
  6. Step 6: Final answer
    x = 27,529.23

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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.