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Finding the Fourth Proportional to 2,663.16, 4,000.50 and 2,253.12

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Solution

The fourth proportional to 2,663.16, 4,000.50 and 2,253.12 is: 3,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.16 : 4,000.50 = 2,253.12 : x
  2. Step 2: Convert to fraction form
    2,663.16/4,000.50 = 2,253.12/x
  3. Step 3: Cross multiply
    2,663.16x = 4,000.50 × 2,253.12
  4. Step 4: Simplify right side
    2,663.16x = 9,013,606.56
  5. Step 5: Solve for x
    x = 9,013,606.56/2,663.16
  6. Step 6: Final answer
    x = 3,384.55

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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.