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Finding the Fourth Proportional to 2,168.95, 3,253.33 and 587.73

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Solution

The fourth proportional to 2,168.95, 3,253.33 and 587.73 is: 881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.95 : 3,253.33 = 587.73 : x
  2. Step 2: Convert to fraction form
    2,168.95/3,253.33 = 587.73/x
  3. Step 3: Cross multiply
    2,168.95x = 3,253.33 × 587.73
  4. Step 4: Simplify right side
    2,168.95x = 1,912,079.64
  5. Step 5: Solve for x
    x = 1,912,079.64/2,168.95
  6. Step 6: Final answer
    x = 881.57

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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.