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Finding the Fourth Proportional to 48,616.80, 72,925.20 and 36,175.20

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Solution

The fourth proportional to 48,616.80, 72,925.20 and 36,175.20 is: 54,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.80 : 72,925.20 = 36,175.20 : x
  2. Step 2: Convert to fraction form
    48,616.80/72,925.20 = 36,175.20/x
  3. Step 3: Cross multiply
    48,616.80x = 72,925.20 × 36,175.20
  4. Step 4: Simplify right side
    48,616.80x = 2,638,083,695.04
  5. Step 5: Solve for x
    x = 2,638,083,695.04/48,616.80
  6. Step 6: Final answer
    x = 54,262.80

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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.