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Finding the Fourth Proportional to 64,253.60, 96,345.28 and 35,799.20

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Solution

The fourth proportional to 64,253.60, 96,345.28 and 35,799.20 is: 53,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,253.60 : 96,345.28 = 35,799.20 : x
  2. Step 2: Convert to fraction form
    64,253.60/96,345.28 = 35,799.20/x
  3. Step 3: Cross multiply
    64,253.60x = 96,345.28 × 35,799.20
  4. Step 4: Simplify right side
    64,253.60x = 3,449,083,947.78
  5. Step 5: Solve for x
    x = 3,449,083,947.78/64,253.60
  6. Step 6: Final answer
    x = 53,679.23

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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.