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Finding the Fourth Proportional to 2,653, 3,661.14 and 1,474.32

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Solution

The fourth proportional to 2,653, 3,661.14 and 1,474.32 is: 2,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653 : 3,661.14 = 1,474.32 : x
  2. Step 2: Convert to fraction form
    2,653/3,661.14 = 1,474.32/x
  3. Step 3: Cross multiply
    2,653x = 3,661.14 × 1,474.32
  4. Step 4: Simplify right side
    2,653x = 5,397,691.92
  5. Step 5: Solve for x
    x = 5,397,691.92/2,653
  6. Step 6: Final answer
    x = 2,034.56

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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.