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Finding the Fourth Proportional to 16,620.47, 22,934.65 and 9,167.99

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Solution

The fourth proportional to 16,620.47, 22,934.65 and 9,167.99 is: 12,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.47 : 22,934.65 = 9,167.99 : x
  2. Step 2: Convert to fraction form
    16,620.47/22,934.65 = 9,167.99/x
  3. Step 3: Cross multiply
    16,620.47x = 22,934.65 × 9,167.99
  4. Step 4: Simplify right side
    16,620.47x = 210,264,641.85
  5. Step 5: Solve for x
    x = 210,264,641.85/16,620.47
  6. Step 6: Final answer
    x = 12,650.94

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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.