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Finding the Fourth Proportional to 16,488.38, 22,753.58 and 8,934.39

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Solution

The fourth proportional to 16,488.38, 22,753.58 and 8,934.39 is: 12,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.38 : 22,753.58 = 8,934.39 : x
  2. Step 2: Convert to fraction form
    16,488.38/22,753.58 = 8,934.39/x
  3. Step 3: Cross multiply
    16,488.38x = 22,753.58 × 8,934.39
  4. Step 4: Simplify right side
    16,488.38x = 203,289,312.94
  5. Step 5: Solve for x
    x = 203,289,312.94/16,488.38
  6. Step 6: Final answer
    x = 12,329.25

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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.