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Finding the Fourth Proportional to 15,687.75, 23,524.72 and 7,370.13

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Solution

The fourth proportional to 15,687.75, 23,524.72 and 7,370.13 is: 11,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.75 : 23,524.72 = 7,370.13 : x
  2. Step 2: Convert to fraction form
    15,687.75/23,524.72 = 7,370.13/x
  3. Step 3: Cross multiply
    15,687.75x = 23,524.72 × 7,370.13
  4. Step 4: Simplify right side
    15,687.75x = 173,380,244.61
  5. Step 5: Solve for x
    x = 173,380,244.61/15,687.75
  6. Step 6: Final answer
    x = 11,051.95

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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.