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Finding the Fourth Proportional to 5,318.66, 7,339.12 and 3,080.23

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Solution

The fourth proportional to 5,318.66, 7,339.12 and 3,080.23 is: 4,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.66 : 7,339.12 = 3,080.23 : x
  2. Step 2: Convert to fraction form
    5,318.66/7,339.12 = 3,080.23/x
  3. Step 3: Cross multiply
    5,318.66x = 7,339.12 × 3,080.23
  4. Step 4: Simplify right side
    5,318.66x = 22,606,151.55
  5. Step 5: Solve for x
    x = 22,606,151.55/5,318.66
  6. Step 6: Final answer
    x = 4,250.35

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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.