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Finding the Fourth Proportional to 12,008.52, 17,892 and 11,337.84

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Solution

The fourth proportional to 12,008.52, 17,892 and 11,337.84 is: 16,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.52 : 17,892 = 11,337.84 : x
  2. Step 2: Convert to fraction form
    12,008.52/17,892 = 11,337.84/x
  3. Step 3: Cross multiply
    12,008.52x = 17,892 × 11,337.84
  4. Step 4: Simplify right side
    12,008.52x = 202,856,633.28
  5. Step 5: Solve for x
    x = 202,856,633.28/12,008.52
  6. Step 6: Final answer
    x = 16,892.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.