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Finding the Fourth Proportional to 3,625.71, 5,395.13 and 3,613.41

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Solution

The fourth proportional to 3,625.71, 5,395.13 and 3,613.41 is: 5,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.71 : 5,395.13 = 3,613.41 : x
  2. Step 2: Convert to fraction form
    3,625.71/5,395.13 = 3,613.41/x
  3. Step 3: Cross multiply
    3,625.71x = 5,395.13 × 3,613.41
  4. Step 4: Simplify right side
    3,625.71x = 19,494,812.18
  5. Step 5: Solve for x
    x = 19,494,812.18/3,625.71
  6. Step 6: Final answer
    x = 5,376.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.