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Finding the Fourth Proportional to 2,417.42, 3,626.45 and 773.39

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Solution

The fourth proportional to 2,417.42, 3,626.45 and 773.39 is: 1,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.42 : 3,626.45 = 773.39 : x
  2. Step 2: Convert to fraction form
    2,417.42/3,626.45 = 773.39/x
  3. Step 3: Cross multiply
    2,417.42x = 3,626.45 × 773.39
  4. Step 4: Simplify right side
    2,417.42x = 2,804,668.26
  5. Step 5: Solve for x
    x = 2,804,668.26/2,417.42
  6. Step 6: Final answer
    x = 1,160.19

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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.