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Finding the Fourth Proportional to 65,787.60, 98,680.68 and 26,353.92

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Solution

The fourth proportional to 65,787.60, 98,680.68 and 26,353.92 is: 39,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787.60 : 98,680.68 = 26,353.92 : x
  2. Step 2: Convert to fraction form
    65,787.60/98,680.68 = 26,353.92/x
  3. Step 3: Cross multiply
    65,787.60x = 98,680.68 × 26,353.92
  4. Step 4: Simplify right side
    65,787.60x = 2,600,622,746.27
  5. Step 5: Solve for x
    x = 2,600,622,746.27/65,787.60
  6. Step 6: Final answer
    x = 39,530.59

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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.