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Finding the Fourth Proportional to 2,651.61, 3,659.18 and 1,472.66

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Solution

The fourth proportional to 2,651.61, 3,659.18 and 1,472.66 is: 2,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.61 : 3,659.18 = 1,472.66 : x
  2. Step 2: Convert to fraction form
    2,651.61/3,659.18 = 1,472.66/x
  3. Step 3: Cross multiply
    2,651.61x = 3,659.18 × 1,472.66
  4. Step 4: Simplify right side
    2,651.61x = 5,388,702.36
  5. Step 5: Solve for x
    x = 5,388,702.36/2,651.61
  6. Step 6: Final answer
    x = 2,032.24

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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.