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Finding the Fourth Proportional to 48,572.64, 66,787.92 and 41,486.40

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Solution

The fourth proportional to 48,572.64, 66,787.92 and 41,486.40 is: 57,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,572.64 : 66,787.92 = 41,486.40 : x
  2. Step 2: Convert to fraction form
    48,572.64/66,787.92 = 41,486.40/x
  3. Step 3: Cross multiply
    48,572.64x = 66,787.92 × 41,486.40
  4. Step 4: Simplify right side
    48,572.64x = 2,770,790,364.29
  5. Step 5: Solve for x
    x = 2,770,790,364.29/48,572.64
  6. Step 6: Final answer
    x = 57,044.26

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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.