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Finding the Fourth Proportional to 52,665.92, 72,631.92 and 43,699.24

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Solution

The fourth proportional to 52,665.92, 72,631.92 and 43,699.24 is: 60,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.92 : 72,631.92 = 43,699.24 : x
  2. Step 2: Convert to fraction form
    52,665.92/72,631.92 = 43,699.24/x
  3. Step 3: Cross multiply
    52,665.92x = 72,631.92 × 43,699.24
  4. Step 4: Simplify right side
    52,665.92x = 3,173,959,703.74
  5. Step 5: Solve for x
    x = 3,173,959,703.74/52,665.92
  6. Step 6: Final answer
    x = 60,265.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.