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Finding the Fourth Proportional to 16,386.52, 22,613.44 and 8,934.52

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Solution

The fourth proportional to 16,386.52, 22,613.44 and 8,934.52 is: 12,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.52 : 22,613.44 = 8,934.52 : x
  2. Step 2: Convert to fraction form
    16,386.52/22,613.44 = 8,934.52/x
  3. Step 3: Cross multiply
    16,386.52x = 22,613.44 × 8,934.52
  4. Step 4: Simplify right side
    16,386.52x = 202,040,231.95
  5. Step 5: Solve for x
    x = 202,040,231.95/16,386.52
  6. Step 6: Final answer
    x = 12,329.66

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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.