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Finding the Fourth Proportional to 38,996.28, 58,494.42 and 11,294.28

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Solution

The fourth proportional to 38,996.28, 58,494.42 and 11,294.28 is: 16,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.28 : 58,494.42 = 11,294.28 : x
  2. Step 2: Convert to fraction form
    38,996.28/58,494.42 = 11,294.28/x
  3. Step 3: Cross multiply
    38,996.28x = 58,494.42 × 11,294.28
  4. Step 4: Simplify right side
    38,996.28x = 660,652,357.92
  5. Step 5: Solve for x
    x = 660,652,357.92/38,996.28
  6. Step 6: Final answer
    x = 16,941.42

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Double scale
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Similar ratio
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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.