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Finding the Fourth Proportional to 22,348.92, 30,844.62 and 14,909.88

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Solution

The fourth proportional to 22,348.92, 30,844.62 and 14,909.88 is: 20,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.92 : 30,844.62 = 14,909.88 : x
  2. Step 2: Convert to fraction form
    22,348.92/30,844.62 = 14,909.88/x
  3. Step 3: Cross multiply
    22,348.92x = 30,844.62 × 14,909.88
  4. Step 4: Simplify right side
    22,348.92x = 459,889,582.85
  5. Step 5: Solve for x
    x = 459,889,582.85/22,348.92
  6. Step 6: Final answer
    x = 20,577.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.