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Finding the Fourth Proportional to 52,007.20, 77,881.20 and 41,639.20

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Solution

The fourth proportional to 52,007.20, 77,881.20 and 41,639.20 is: 62,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007.20 : 77,881.20 = 41,639.20 : x
  2. Step 2: Convert to fraction form
    52,007.20/77,881.20 = 41,639.20/x
  3. Step 3: Cross multiply
    52,007.20x = 77,881.20 × 41,639.20
  4. Step 4: Simplify right side
    52,007.20x = 3,242,910,863.04
  5. Step 5: Solve for x
    x = 3,242,910,863.04/52,007.20
  6. Step 6: Final answer
    x = 62,355.04

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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.