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Finding the Fourth Proportional to 60,594.22, 90,861.11 and 38,390.66

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Solution

The fourth proportional to 60,594.22, 90,861.11 and 38,390.66 is: 57,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,594.22 : 90,861.11 = 38,390.66 : x
  2. Step 2: Convert to fraction form
    60,594.22/90,861.11 = 38,390.66/x
  3. Step 3: Cross multiply
    60,594.22x = 90,861.11 × 38,390.66
  4. Step 4: Simplify right side
    60,594.22x = 3,488,217,981.23
  5. Step 5: Solve for x
    x = 3,488,217,981.23/60,594.22
  6. Step 6: Final answer
    x = 57,566.84

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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.