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Finding the Fourth Proportional to 65,620.76, 98,424.90 and 26,167.32

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Solution

The fourth proportional to 65,620.76, 98,424.90 and 26,167.32 is: 39,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,620.76 : 98,424.90 = 26,167.32 : x
  2. Step 2: Convert to fraction form
    65,620.76/98,424.90 = 26,167.32/x
  3. Step 3: Cross multiply
    65,620.76x = 98,424.90 × 26,167.32
  4. Step 4: Simplify right side
    65,620.76x = 2,575,515,854.27
  5. Step 5: Solve for x
    x = 2,575,515,854.27/65,620.76
  6. Step 6: Final answer
    x = 39,248.49

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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.