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Finding the Fourth Proportional to 17,472.66, 24,114.38 and 9,921.34

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Solution

The fourth proportional to 17,472.66, 24,114.38 and 9,921.34 is: 13,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.66 : 24,114.38 = 9,921.34 : x
  2. Step 2: Convert to fraction form
    17,472.66/24,114.38 = 9,921.34/x
  3. Step 3: Cross multiply
    17,472.66x = 24,114.38 × 9,921.34
  4. Step 4: Simplify right side
    17,472.66x = 239,246,962.87
  5. Step 5: Solve for x
    x = 239,246,962.87/17,472.66
  6. Step 6: Final answer
    x = 13,692.65

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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.