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Finding the Fourth Proportional to 24,630.28, 36,945.41 and 7,990.31

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Solution

The fourth proportional to 24,630.28, 36,945.41 and 7,990.31 is: 11,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,630.28 : 36,945.41 = 7,990.31 : x
  2. Step 2: Convert to fraction form
    24,630.28/36,945.41 = 7,990.31/x
  3. Step 3: Cross multiply
    24,630.28x = 36,945.41 × 7,990.31
  4. Step 4: Simplify right side
    24,630.28x = 295,205,248.02
  5. Step 5: Solve for x
    x = 295,205,248.02/24,630.28
  6. Step 6: Final answer
    x = 11,985.46

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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.