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Finding the Fourth Proportional to 48,609.46, 72,921.84 and 17,029.18

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Solution

The fourth proportional to 48,609.46, 72,921.84 and 17,029.18 is: 25,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.46 : 72,921.84 = 17,029.18 : x
  2. Step 2: Convert to fraction form
    48,609.46/72,921.84 = 17,029.18/x
  3. Step 3: Cross multiply
    48,609.46x = 72,921.84 × 17,029.18
  4. Step 4: Simplify right side
    48,609.46x = 1,241,799,139.29
  5. Step 5: Solve for x
    x = 1,241,799,139.29/48,609.46
  6. Step 6: Final answer
    x = 25,546.45

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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.