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Finding the Fourth Proportional to 3,615.53, 5,397.14 and 3,344.99

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Solution

The fourth proportional to 3,615.53, 5,397.14 and 3,344.99 is: 4,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.53 : 5,397.14 = 3,344.99 : x
  2. Step 2: Convert to fraction form
    3,615.53/5,397.14 = 3,344.99/x
  3. Step 3: Cross multiply
    3,615.53x = 5,397.14 × 3,344.99
  4. Step 4: Simplify right side
    3,615.53x = 18,053,360.71
  5. Step 5: Solve for x
    x = 18,053,360.71/3,615.53
  6. Step 6: Final answer
    x = 4,993.29

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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.