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Finding the Fourth Proportional to 3,560.97, 4,913.90 and 2,144.39

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Solution

The fourth proportional to 3,560.97, 4,913.90 and 2,144.39 is: 2,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.97 : 4,913.90 = 2,144.39 : x
  2. Step 2: Convert to fraction form
    3,560.97/4,913.90 = 2,144.39/x
  3. Step 3: Cross multiply
    3,560.97x = 4,913.90 × 2,144.39
  4. Step 4: Simplify right side
    3,560.97x = 10,537,318.02
  5. Step 5: Solve for x
    x = 10,537,318.02/3,560.97
  6. Step 6: Final answer
    x = 2,959.11

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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.