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Finding the Fourth Proportional to 18,248.88, 27,379.80 and 6,565.44

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Solution

The fourth proportional to 18,248.88, 27,379.80 and 6,565.44 is: 9,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.88 : 27,379.80 = 6,565.44 : x
  2. Step 2: Convert to fraction form
    18,248.88/27,379.80 = 6,565.44/x
  3. Step 3: Cross multiply
    18,248.88x = 27,379.80 × 6,565.44
  4. Step 4: Simplify right side
    18,248.88x = 179,760,434.11
  5. Step 5: Solve for x
    x = 179,760,434.11/18,248.88
  6. Step 6: Final answer
    x = 9,850.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.