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Finding the Fourth Proportional to 2,345.71, 3,517.26 and 960.02

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Solution

The fourth proportional to 2,345.71, 3,517.26 and 960.02 is: 1,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.71 : 3,517.26 = 960.02 : x
  2. Step 2: Convert to fraction form
    2,345.71/3,517.26 = 960.02/x
  3. Step 3: Cross multiply
    2,345.71x = 3,517.26 × 960.02
  4. Step 4: Simplify right side
    2,345.71x = 3,376,622.36
  5. Step 5: Solve for x
    x = 3,376,622.36/2,345.71
  6. Step 6: Final answer
    x = 1,439.49

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1.5x scale

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.