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Finding the Fourth Proportional to 3,693.58, 5,542.58 and 1,472.02

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Solution

The fourth proportional to 3,693.58, 5,542.58 and 1,472.02 is: 2,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.58 : 5,542.58 = 1,472.02 : x
  2. Step 2: Convert to fraction form
    3,693.58/5,542.58 = 1,472.02/x
  3. Step 3: Cross multiply
    3,693.58x = 5,542.58 × 1,472.02
  4. Step 4: Simplify right side
    3,693.58x = 8,158,767.40
  5. Step 5: Solve for x
    x = 8,158,767.40/3,693.58
  6. Step 6: Final answer
    x = 2,208.91

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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.