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Finding the Fourth Proportional to 48,658.58, 72,955.46 and 17,489.78

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Solution

The fourth proportional to 48,658.58, 72,955.46 and 17,489.78 is: 26,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.58 : 72,955.46 = 17,489.78 : x
  2. Step 2: Convert to fraction form
    48,658.58/72,955.46 = 17,489.78/x
  3. Step 3: Cross multiply
    48,658.58x = 72,955.46 × 17,489.78
  4. Step 4: Simplify right side
    48,658.58x = 1,275,974,945.20
  5. Step 5: Solve for x
    x = 1,275,974,945.20/48,658.58
  6. Step 6: Final answer
    x = 26,223.02

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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.