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Finding the Fourth Proportional to 5,618.10, 7,754.52 and 3,261

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Solution

The fourth proportional to 5,618.10, 7,754.52 and 3,261 is: 4,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.10 : 7,754.52 = 3,261 : x
  2. Step 2: Convert to fraction form
    5,618.10/7,754.52 = 3,261/x
  3. Step 3: Cross multiply
    5,618.10x = 7,754.52 × 3,261
  4. Step 4: Simplify right side
    5,618.10x = 25,287,489.72
  5. Step 5: Solve for x
    x = 25,287,489.72/5,618.10
  6. Step 6: Final answer
    x = 4,501.08

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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.