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Finding the Fourth Proportional to 5,338.67, 7,366.70 and 2,981.25

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Solution

The fourth proportional to 5,338.67, 7,366.70 and 2,981.25 is: 4,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.67 : 7,366.70 = 2,981.25 : x
  2. Step 2: Convert to fraction form
    5,338.67/7,366.70 = 2,981.25/x
  3. Step 3: Cross multiply
    5,338.67x = 7,366.70 × 2,981.25
  4. Step 4: Simplify right side
    5,338.67x = 21,961,959.47
  5. Step 5: Solve for x
    x = 21,961,959.47/5,338.67
  6. Step 6: Final answer
    x = 4,113.75

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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.