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Finding the Fourth Proportional to 1,462.26, 2,017.90 and 873.58

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Solution

The fourth proportional to 1,462.26, 2,017.90 and 873.58 is: 1,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.26 : 2,017.90 = 873.58 : x
  2. Step 2: Convert to fraction form
    1,462.26/2,017.90 = 873.58/x
  3. Step 3: Cross multiply
    1,462.26x = 2,017.90 × 873.58
  4. Step 4: Simplify right side
    1,462.26x = 1,762,797.08
  5. Step 5: Solve for x
    x = 1,762,797.08/1,462.26
  6. Step 6: Final answer
    x = 1,205.53

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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.