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Finding the Fourth Proportional to 64,132.32, 88,504.56 and 35,839.20

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Solution

The fourth proportional to 64,132.32, 88,504.56 and 35,839.20 is: 49,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,132.32 : 88,504.56 = 35,839.20 : x
  2. Step 2: Convert to fraction form
    64,132.32/88,504.56 = 35,839.20/x
  3. Step 3: Cross multiply
    64,132.32x = 88,504.56 × 35,839.20
  4. Step 4: Simplify right side
    64,132.32x = 3,171,932,626.75
  5. Step 5: Solve for x
    x = 3,171,932,626.75/64,132.32
  6. Step 6: Final answer
    x = 49,459.19

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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.