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Finding the Fourth Proportional to 48,763.80, 73,156.59 and 15,484.95

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Solution

The fourth proportional to 48,763.80, 73,156.59 and 15,484.95 is: 23,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,763.80 : 73,156.59 = 15,484.95 : x
  2. Step 2: Convert to fraction form
    48,763.80/73,156.59 = 15,484.95/x
  3. Step 3: Cross multiply
    48,763.80x = 73,156.59 × 15,484.95
  4. Step 4: Simplify right side
    48,763.80x = 1,132,826,138.32
  5. Step 5: Solve for x
    x = 1,132,826,138.32/48,763.80
  6. Step 6: Final answer
    x = 23,230.88

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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.