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Finding the Fourth Proportional to 65,772.57, 98,642.44 and 25,799.68

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Solution

The fourth proportional to 65,772.57, 98,642.44 and 25,799.68 is: 38,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,772.57 : 98,642.44 = 25,799.68 : x
  2. Step 2: Convert to fraction form
    65,772.57/98,642.44 = 25,799.68/x
  3. Step 3: Cross multiply
    65,772.57x = 98,642.44 × 25,799.68
  4. Step 4: Simplify right side
    65,772.57x = 2,544,943,541.97
  5. Step 5: Solve for x
    x = 2,544,943,541.97/65,772.57
  6. Step 6: Final answer
    x = 38,693.08

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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.