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Finding the Fourth Proportional to 65,032.80, 97,554.60 and 25,591.20

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Solution

The fourth proportional to 65,032.80, 97,554.60 and 25,591.20 is: 38,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,032.80 : 97,554.60 = 25,591.20 : x
  2. Step 2: Convert to fraction form
    65,032.80/97,554.60 = 25,591.20/x
  3. Step 3: Cross multiply
    65,032.80x = 97,554.60 × 25,591.20
  4. Step 4: Simplify right side
    65,032.80x = 2,496,539,279.52
  5. Step 5: Solve for x
    x = 2,496,539,279.52/65,032.80
  6. Step 6: Final answer
    x = 38,388.92

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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.