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Finding the Fourth Proportional to 5,568.47, 8,355 and 2,604.74

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Solution

The fourth proportional to 5,568.47, 8,355 and 2,604.74 is: 3,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.47 : 8,355 = 2,604.74 : x
  2. Step 2: Convert to fraction form
    5,568.47/8,355 = 2,604.74/x
  3. Step 3: Cross multiply
    5,568.47x = 8,355 × 2,604.74
  4. Step 4: Simplify right side
    5,568.47x = 21,762,560.93
  5. Step 5: Solve for x
    x = 21,762,560.93/5,568.47
  6. Step 6: Final answer
    x = 3,908.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.