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Finding the Fourth Proportional to 2,454.64, 3,681.96 and 723.27

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Solution

The fourth proportional to 2,454.64, 3,681.96 and 723.27 is: 1,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.64 : 3,681.96 = 723.27 : x
  2. Step 2: Convert to fraction form
    2,454.64/3,681.96 = 723.27/x
  3. Step 3: Cross multiply
    2,454.64x = 3,681.96 × 723.27
  4. Step 4: Simplify right side
    2,454.64x = 2,663,051.21
  5. Step 5: Solve for x
    x = 2,663,051.21/2,454.64
  6. Step 6: Final answer
    x = 1,084.91

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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.