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Finding the Fourth Proportional to 66,592.32, 99,894.24 and 27,152.16

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Solution

The fourth proportional to 66,592.32, 99,894.24 and 27,152.16 is: 40,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592.32 : 99,894.24 = 27,152.16 : x
  2. Step 2: Convert to fraction form
    66,592.32/99,894.24 = 27,152.16/x
  3. Step 3: Cross multiply
    66,592.32x = 99,894.24 × 27,152.16
  4. Step 4: Simplify right side
    66,592.32x = 2,712,344,387.56
  5. Step 5: Solve for x
    x = 2,712,344,387.56/66,592.32
  6. Step 6: Final answer
    x = 40,730.59

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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.