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Finding the Fourth Proportional to 2,651.97, 3,659.45 and 1,472.91

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Solution

The fourth proportional to 2,651.97, 3,659.45 and 1,472.91 is: 2,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.97 : 3,659.45 = 1,472.91 : x
  2. Step 2: Convert to fraction form
    2,651.97/3,659.45 = 1,472.91/x
  3. Step 3: Cross multiply
    2,651.97x = 3,659.45 × 1,472.91
  4. Step 4: Simplify right side
    2,651.97x = 5,390,033.13
  5. Step 5: Solve for x
    x = 5,390,033.13/2,651.97
  6. Step 6: Final answer
    x = 2,032.46

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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.