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Finding the Fourth Proportional to 66,404.92, 99,617.10 and 24,287.08

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Solution

The fourth proportional to 66,404.92, 99,617.10 and 24,287.08 is: 36,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,404.92 : 99,617.10 = 24,287.08 : x
  2. Step 2: Convert to fraction form
    66,404.92/99,617.10 = 24,287.08/x
  3. Step 3: Cross multiply
    66,404.92x = 99,617.10 × 24,287.08
  4. Step 4: Simplify right side
    66,404.92x = 2,419,408,477.07
  5. Step 5: Solve for x
    x = 2,419,408,477.07/66,404.92
  6. Step 6: Final answer
    x = 36,434.18

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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.