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Finding the Fourth Proportional to 3,642.84, 5,027.67 and 2,652.62

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Solution

The fourth proportional to 3,642.84, 5,027.67 and 2,652.62 is: 3,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.84 : 5,027.67 = 2,652.62 : x
  2. Step 2: Convert to fraction form
    3,642.84/5,027.67 = 2,652.62/x
  3. Step 3: Cross multiply
    3,642.84x = 5,027.67 × 2,652.62
  4. Step 4: Simplify right side
    3,642.84x = 13,336,472.86
  5. Step 5: Solve for x
    x = 13,336,472.86/3,642.84
  6. Step 6: Final answer
    x = 3,661.01

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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.