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Finding the Fourth Proportional to 24,431.61, 36,622.80 and 9,634.80

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Solution

The fourth proportional to 24,431.61, 36,622.80 and 9,634.80 is: 14,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,431.61 : 36,622.80 = 9,634.80 : x
  2. Step 2: Convert to fraction form
    24,431.61/36,622.80 = 9,634.80/x
  3. Step 3: Cross multiply
    24,431.61x = 36,622.80 × 9,634.80
  4. Step 4: Simplify right side
    24,431.61x = 352,853,353.44
  5. Step 5: Solve for x
    x = 352,853,353.44/24,431.61
  6. Step 6: Final answer
    x = 14,442.49

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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.