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Finding the Fourth Proportional to 3,099.62, 4,277.18 and 1,755.29

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Solution

The fourth proportional to 3,099.62, 4,277.18 and 1,755.29 is: 2,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.62 : 4,277.18 = 1,755.29 : x
  2. Step 2: Convert to fraction form
    3,099.62/4,277.18 = 1,755.29/x
  3. Step 3: Cross multiply
    3,099.62x = 4,277.18 × 1,755.29
  4. Step 4: Simplify right side
    3,099.62x = 7,507,706.36
  5. Step 5: Solve for x
    x = 7,507,706.36/3,099.62
  6. Step 6: Final answer
    x = 2,422.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.