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Finding the Fourth Proportional to 3,773.58, 5,660.55 and 1,582.38

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Solution

The fourth proportional to 3,773.58, 5,660.55 and 1,582.38 is: 2,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.58 : 5,660.55 = 1,582.38 : x
  2. Step 2: Convert to fraction form
    3,773.58/5,660.55 = 1,582.38/x
  3. Step 3: Cross multiply
    3,773.58x = 5,660.55 × 1,582.38
  4. Step 4: Simplify right side
    3,773.58x = 8,957,141.11
  5. Step 5: Solve for x
    x = 8,957,141.11/3,773.58
  6. Step 6: Final answer
    x = 2,373.65

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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.