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Finding the Fourth Proportional to 24,695.80, 37,049.10 and 12,221.80

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Solution

The fourth proportional to 24,695.80, 37,049.10 and 12,221.80 is: 18,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,695.80 : 37,049.10 = 12,221.80 : x
  2. Step 2: Convert to fraction form
    24,695.80/37,049.10 = 12,221.80/x
  3. Step 3: Cross multiply
    24,695.80x = 37,049.10 × 12,221.80
  4. Step 4: Simplify right side
    24,695.80x = 452,806,690.38
  5. Step 5: Solve for x
    x = 452,806,690.38/24,695.80
  6. Step 6: Final answer
    x = 18,335.37

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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.