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Finding the Fourth Proportional to 22,103.52, 30,503.04 and 12,167.52

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Solution

The fourth proportional to 22,103.52, 30,503.04 and 12,167.52 is: 16,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.52 : 30,503.04 = 12,167.52 : x
  2. Step 2: Convert to fraction form
    22,103.52/30,503.04 = 12,167.52/x
  3. Step 3: Cross multiply
    22,103.52x = 30,503.04 × 12,167.52
  4. Step 4: Simplify right side
    22,103.52x = 371,146,349.26
  5. Step 5: Solve for x
    x = 371,146,349.26/22,103.52
  6. Step 6: Final answer
    x = 16,791.28

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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.