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Finding the Fourth Proportional to 16,174.62, 22,320.88 and 9,101.08

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Solution

The fourth proportional to 16,174.62, 22,320.88 and 9,101.08 is: 12,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,174.62 : 22,320.88 = 9,101.08 : x
  2. Step 2: Convert to fraction form
    16,174.62/22,320.88 = 9,101.08/x
  3. Step 3: Cross multiply
    16,174.62x = 22,320.88 × 9,101.08
  4. Step 4: Simplify right side
    16,174.62x = 203,144,114.55
  5. Step 5: Solve for x
    x = 203,144,114.55/16,174.62
  6. Step 6: Final answer
    x = 12,559.44

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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.