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Finding the Fourth Proportional to 2,495.85, 3,443.95 and 1,551.79

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Solution

The fourth proportional to 2,495.85, 3,443.95 and 1,551.79 is: 2,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.85 : 3,443.95 = 1,551.79 : x
  2. Step 2: Convert to fraction form
    2,495.85/3,443.95 = 1,551.79/x
  3. Step 3: Cross multiply
    2,495.85x = 3,443.95 × 1,551.79
  4. Step 4: Simplify right side
    2,495.85x = 5,344,293.42
  5. Step 5: Solve for x
    x = 5,344,293.42/2,495.85
  6. Step 6: Final answer
    x = 2,141.28

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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.