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Finding the Fourth Proportional to 48,480.25, 72,702.38 and 16,882.20

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Solution

The fourth proportional to 48,480.25, 72,702.38 and 16,882.20 is: 25,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,480.25 : 72,702.38 = 16,882.20 : x
  2. Step 2: Convert to fraction form
    48,480.25/72,702.38 = 16,882.20/x
  3. Step 3: Cross multiply
    48,480.25x = 72,702.38 × 16,882.20
  4. Step 4: Simplify right side
    48,480.25x = 1,227,376,035.23
  5. Step 5: Solve for x
    x = 1,227,376,035.23/48,480.25
  6. Step 6: Final answer
    x = 25,317.03

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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.