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Finding the Fourth Proportional to 60,486.42, 90,732.51 and 29,347.86

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Solution

The fourth proportional to 60,486.42, 90,732.51 and 29,347.86 is: 44,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.42 : 90,732.51 = 29,347.86 : x
  2. Step 2: Convert to fraction form
    60,486.42/90,732.51 = 29,347.86/x
  3. Step 3: Cross multiply
    60,486.42x = 90,732.51 × 29,347.86
  4. Step 4: Simplify right side
    60,486.42x = 2,662,805,000.93
  5. Step 5: Solve for x
    x = 2,662,805,000.93/60,486.42
  6. Step 6: Final answer
    x = 44,023.19

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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.