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Finding the Fourth Proportional to 22,423.49, 33,612.16 and 9,949.39

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Solution

The fourth proportional to 22,423.49, 33,612.16 and 9,949.39 is: 14,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.49 : 33,612.16 = 9,949.39 : x
  2. Step 2: Convert to fraction form
    22,423.49/33,612.16 = 9,949.39/x
  3. Step 3: Cross multiply
    22,423.49x = 33,612.16 × 9,949.39
  4. Step 4: Simplify right side
    22,423.49x = 334,420,488.58
  5. Step 5: Solve for x
    x = 334,420,488.58/22,423.49
  6. Step 6: Final answer
    x = 14,913.85

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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.