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Finding the Fourth Proportional to 2,240.16, 3,092.04 and 1,308.84

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Solution

The fourth proportional to 2,240.16, 3,092.04 and 1,308.84 is: 1,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.16 : 3,092.04 = 1,308.84 : x
  2. Step 2: Convert to fraction form
    2,240.16/3,092.04 = 1,308.84/x
  3. Step 3: Cross multiply
    2,240.16x = 3,092.04 × 1,308.84
  4. Step 4: Simplify right side
    2,240.16x = 4,046,985.63
  5. Step 5: Solve for x
    x = 4,046,985.63/2,240.16
  6. Step 6: Final answer
    x = 1,806.56

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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.