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Finding the Fourth Proportional to 48,752.56, 73,139.80 and 17,587.80

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Solution

The fourth proportional to 48,752.56, 73,139.80 and 17,587.80 is: 26,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.56 : 73,139.80 = 17,587.80 : x
  2. Step 2: Convert to fraction form
    48,752.56/73,139.80 = 17,587.80/x
  3. Step 3: Cross multiply
    48,752.56x = 73,139.80 × 17,587.80
  4. Step 4: Simplify right side
    48,752.56x = 1,286,368,174.44
  5. Step 5: Solve for x
    x = 1,286,368,174.44/48,752.56
  6. Step 6: Final answer
    x = 26,385.65

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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.