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Finding the Fourth Proportional to 1,617.76, 2,233.74 and 1,614.52

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Solution

The fourth proportional to 1,617.76, 2,233.74 and 1,614.52 is: 2,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.76 : 2,233.74 = 1,614.52 : x
  2. Step 2: Convert to fraction form
    1,617.76/2,233.74 = 1,614.52/x
  3. Step 3: Cross multiply
    1,617.76x = 2,233.74 × 1,614.52
  4. Step 4: Simplify right side
    1,617.76x = 3,606,417.90
  5. Step 5: Solve for x
    x = 3,606,417.90/1,617.76
  6. Step 6: Final answer
    x = 2,229.27

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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.