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Finding the Fourth Proportional to 24,728.20, 37,092.30 and 9,939.40

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Solution

The fourth proportional to 24,728.20, 37,092.30 and 9,939.40 is: 14,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.20 : 37,092.30 = 9,939.40 : x
  2. Step 2: Convert to fraction form
    24,728.20/37,092.30 = 9,939.40/x
  3. Step 3: Cross multiply
    24,728.20x = 37,092.30 × 9,939.40
  4. Step 4: Simplify right side
    24,728.20x = 368,675,206.62
  5. Step 5: Solve for x
    x = 368,675,206.62/24,728.20
  6. Step 6: Final answer
    x = 14,909.10

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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.