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Finding the Fourth Proportional to 5,591.91, 7,718.56 and 3,602.46

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Solution

The fourth proportional to 5,591.91, 7,718.56 and 3,602.46 is: 4,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.91 : 7,718.56 = 3,602.46 : x
  2. Step 2: Convert to fraction form
    5,591.91/7,718.56 = 3,602.46/x
  3. Step 3: Cross multiply
    5,591.91x = 7,718.56 × 3,602.46
  4. Step 4: Simplify right side
    5,591.91x = 27,805,785.65
  5. Step 5: Solve for x
    x = 27,805,785.65/5,591.91
  6. Step 6: Final answer
    x = 4,972.50

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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.