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Finding the Fourth Proportional to 15,232.01, 22,839.82 and 8,215.79

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Solution

The fourth proportional to 15,232.01, 22,839.82 and 8,215.79 is: 12,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.01 : 22,839.82 = 8,215.79 : x
  2. Step 2: Convert to fraction form
    15,232.01/22,839.82 = 8,215.79/x
  3. Step 3: Cross multiply
    15,232.01x = 22,839.82 × 8,215.79
  4. Step 4: Simplify right side
    15,232.01x = 187,647,201.32
  5. Step 5: Solve for x
    x = 187,647,201.32/15,232.01
  6. Step 6: Final answer
    x = 12,319.27

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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.