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Finding the Fourth Proportional to 2,237.86, 3,088.11 and 1,243.11

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Solution

The fourth proportional to 2,237.86, 3,088.11 and 1,243.11 is: 1,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.86 : 3,088.11 = 1,243.11 : x
  2. Step 2: Convert to fraction form
    2,237.86/3,088.11 = 1,243.11/x
  3. Step 3: Cross multiply
    2,237.86x = 3,088.11 × 1,243.11
  4. Step 4: Simplify right side
    2,237.86x = 3,838,860.42
  5. Step 5: Solve for x
    x = 3,838,860.42/2,237.86
  6. Step 6: Final answer
    x = 1,715.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.