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Finding the Fourth Proportional to 60,476.63, 90,747.74 and 29,311.88

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Solution

The fourth proportional to 60,476.63, 90,747.74 and 29,311.88 is: 43,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,476.63 : 90,747.74 = 29,311.88 : x
  2. Step 2: Convert to fraction form
    60,476.63/90,747.74 = 29,311.88/x
  3. Step 3: Cross multiply
    60,476.63x = 90,747.74 × 29,311.88
  4. Step 4: Simplify right side
    60,476.63x = 2,659,986,484.69
  5. Step 5: Solve for x
    x = 2,659,986,484.69/60,476.63
  6. Step 6: Final answer
    x = 43,983.71

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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.