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Finding the Fourth Proportional to 16,103.70, 22,223.16 and 8,934.12

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Solution

The fourth proportional to 16,103.70, 22,223.16 and 8,934.12 is: 12,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.70 : 22,223.16 = 8,934.12 : x
  2. Step 2: Convert to fraction form
    16,103.70/22,223.16 = 8,934.12/x
  3. Step 3: Cross multiply
    16,103.70x = 22,223.16 × 8,934.12
  4. Step 4: Simplify right side
    16,103.70x = 198,544,378.22
  5. Step 5: Solve for x
    x = 198,544,378.22/16,103.70
  6. Step 6: Final answer
    x = 12,329.12

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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.