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Finding the Fourth Proportional to 38,393.79, 52,965.31 and 22,468.38

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Solution

The fourth proportional to 38,393.79, 52,965.31 and 22,468.38 is: 30,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.79 : 52,965.31 = 22,468.38 : x
  2. Step 2: Convert to fraction form
    38,393.79/52,965.31 = 22,468.38/x
  3. Step 3: Cross multiply
    38,393.79x = 52,965.31 × 22,468.38
  4. Step 4: Simplify right side
    38,393.79x = 1,190,044,711.90
  5. Step 5: Solve for x
    x = 1,190,044,711.90/38,393.79
  6. Step 6: Final answer
    x = 30,995.76

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Double scale
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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.