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Finding the Fourth Proportional to 48,171.52, 72,268.08 and 17,009.20

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Solution

The fourth proportional to 48,171.52, 72,268.08 and 17,009.20 is: 25,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,171.52 : 72,268.08 = 17,009.20 : x
  2. Step 2: Convert to fraction form
    48,171.52/72,268.08 = 17,009.20/x
  3. Step 3: Cross multiply
    48,171.52x = 72,268.08 × 17,009.20
  4. Step 4: Simplify right side
    48,171.52x = 1,229,222,226.34
  5. Step 5: Solve for x
    x = 1,229,222,226.34/48,171.52
  6. Step 6: Final answer
    x = 25,517.61

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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.