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Finding the Fourth Proportional to 9,187.88, 13,781.88 and 2,262.38

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Solution

The fourth proportional to 9,187.88, 13,781.88 and 2,262.38 is: 3,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.88 : 13,781.88 = 2,262.38 : x
  2. Step 2: Convert to fraction form
    9,187.88/13,781.88 = 2,262.38/x
  3. Step 3: Cross multiply
    9,187.88x = 13,781.88 × 2,262.38
  4. Step 4: Simplify right side
    9,187.88x = 31,179,780.77
  5. Step 5: Solve for x
    x = 31,179,780.77/9,187.88
  6. Step 6: Final answer
    x = 3,393.58

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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.