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Finding the Fourth Proportional to 52,712.11, 72,787.04 and 37,650.97

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Solution

The fourth proportional to 52,712.11, 72,787.04 and 37,650.97 is: 51,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.11 : 72,787.04 = 37,650.97 : x
  2. Step 2: Convert to fraction form
    52,712.11/72,787.04 = 37,650.97/x
  3. Step 3: Cross multiply
    52,712.11x = 72,787.04 × 37,650.97
  4. Step 4: Simplify right side
    52,712.11x = 2,740,502,659.43
  5. Step 5: Solve for x
    x = 2,740,502,659.43/52,712.11
  6. Step 6: Final answer
    x = 51,990.00

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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.