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Finding the Fourth Proportional to 1,658.43, 2,488.20 and 1,041.41

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Solution

The fourth proportional to 1,658.43, 2,488.20 and 1,041.41 is: 1,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.43 : 2,488.20 = 1,041.41 : x
  2. Step 2: Convert to fraction form
    1,658.43/2,488.20 = 1,041.41/x
  3. Step 3: Cross multiply
    1,658.43x = 2,488.20 × 1,041.41
  4. Step 4: Simplify right side
    1,658.43x = 2,591,236.36
  5. Step 5: Solve for x
    x = 2,591,236.36/1,658.43
  6. Step 6: Final answer
    x = 1,562.46

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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.