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Finding the Fourth Proportional to 60,400.67, 90,565.22 and 18,267.98

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Solution

The fourth proportional to 60,400.67, 90,565.22 and 18,267.98 is: 27,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,400.67 : 90,565.22 = 18,267.98 : x
  2. Step 2: Convert to fraction form
    60,400.67/90,565.22 = 18,267.98/x
  3. Step 3: Cross multiply
    60,400.67x = 90,565.22 × 18,267.98
  4. Step 4: Simplify right side
    60,400.67x = 1,654,443,220.50
  5. Step 5: Solve for x
    x = 1,654,443,220.50/60,400.67
  6. Step 6: Final answer
    x = 27,391.14

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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.