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Finding the Fourth Proportional to 3,265.68, 4,506.48 and 1,868.52

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Solution

The fourth proportional to 3,265.68, 4,506.48 and 1,868.52 is: 2,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.68 : 4,506.48 = 1,868.52 : x
  2. Step 2: Convert to fraction form
    3,265.68/4,506.48 = 1,868.52/x
  3. Step 3: Cross multiply
    3,265.68x = 4,506.48 × 1,868.52
  4. Step 4: Simplify right side
    3,265.68x = 8,420,448.01
  5. Step 5: Solve for x
    x = 8,420,448.01/3,265.68
  6. Step 6: Final answer
    x = 2,578.47

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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.