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Finding the Fourth Proportional to 2,353.92, 3,531.06 and 622.50

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Solution

The fourth proportional to 2,353.92, 3,531.06 and 622.50 is: 933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.92 : 3,531.06 = 622.50 : x
  2. Step 2: Convert to fraction form
    2,353.92/3,531.06 = 622.50/x
  3. Step 3: Cross multiply
    2,353.92x = 3,531.06 × 622.50
  4. Step 4: Simplify right side
    2,353.92x = 2,198,084.85
  5. Step 5: Solve for x
    x = 2,198,084.85/2,353.92
  6. Step 6: Final answer
    x = 933.80

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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.