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Finding the Fourth Proportional to 15,046.24, 20,764.98 and 8,332.49

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Solution

The fourth proportional to 15,046.24, 20,764.98 and 8,332.49 is: 11,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.24 : 20,764.98 = 8,332.49 : x
  2. Step 2: Convert to fraction form
    15,046.24/20,764.98 = 8,332.49/x
  3. Step 3: Cross multiply
    15,046.24x = 20,764.98 × 8,332.49
  4. Step 4: Simplify right side
    15,046.24x = 173,023,988.20
  5. Step 5: Solve for x
    x = 173,023,988.20/15,046.24
  6. Step 6: Final answer
    x = 11,499.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.