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Finding the Fourth Proportional to 5,626.68, 8,478.16 and 4,674.12

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Solution

The fourth proportional to 5,626.68, 8,478.16 and 4,674.12 is: 7,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.68 : 8,478.16 = 4,674.12 : x
  2. Step 2: Convert to fraction form
    5,626.68/8,478.16 = 4,674.12/x
  3. Step 3: Cross multiply
    5,626.68x = 8,478.16 × 4,674.12
  4. Step 4: Simplify right side
    5,626.68x = 39,627,937.22
  5. Step 5: Solve for x
    x = 39,627,937.22/5,626.68
  6. Step 6: Final answer
    x = 7,042.86

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.