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Finding the Fourth Proportional to 15,937.15, 23,905.71 and 7,591.87

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Solution

The fourth proportional to 15,937.15, 23,905.71 and 7,591.87 is: 11,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.15 : 23,905.71 = 7,591.87 : x
  2. Step 2: Convert to fraction form
    15,937.15/23,905.71 = 7,591.87/x
  3. Step 3: Cross multiply
    15,937.15x = 23,905.71 × 7,591.87
  4. Step 4: Simplify right side
    15,937.15x = 181,489,042.58
  5. Step 5: Solve for x
    x = 181,489,042.58/15,937.15
  6. Step 6: Final answer
    x = 11,387.80

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1.5x scale

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.