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Finding the Fourth Proportional to 2,253.33, 3,380.36 and 792.53

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Solution

The fourth proportional to 2,253.33, 3,380.36 and 792.53 is: 1,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.33 : 3,380.36 = 792.53 : x
  2. Step 2: Convert to fraction form
    2,253.33/3,380.36 = 792.53/x
  3. Step 3: Cross multiply
    2,253.33x = 3,380.36 × 792.53
  4. Step 4: Simplify right side
    2,253.33x = 2,679,036.71
  5. Step 5: Solve for x
    x = 2,679,036.71/2,253.33
  6. Step 6: Final answer
    x = 1,188.92

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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.