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Finding the Fourth Proportional to 2,427.39, 3,641.63 and 696.02

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Solution

The fourth proportional to 2,427.39, 3,641.63 and 696.02 is: 1,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.39 : 3,641.63 = 696.02 : x
  2. Step 2: Convert to fraction form
    2,427.39/3,641.63 = 696.02/x
  3. Step 3: Cross multiply
    2,427.39x = 3,641.63 × 696.02
  4. Step 4: Simplify right side
    2,427.39x = 2,534,625.62
  5. Step 5: Solve for x
    x = 2,534,625.62/2,427.39
  6. Step 6: Final answer
    x = 1,044.18

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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.