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Finding the Fourth Proportional to 60,864.72, 91,294.68 and 27,584.64

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Solution

The fourth proportional to 60,864.72, 91,294.68 and 27,584.64 is: 41,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,864.72 : 91,294.68 = 27,584.64 : x
  2. Step 2: Convert to fraction form
    60,864.72/91,294.68 = 27,584.64/x
  3. Step 3: Cross multiply
    60,864.72x = 91,294.68 × 27,584.64
  4. Step 4: Simplify right side
    60,864.72x = 2,518,330,881.72
  5. Step 5: Solve for x
    x = 2,518,330,881.72/60,864.72
  6. Step 6: Final answer
    x = 41,375.87

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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.