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Finding the Fourth Proportional to 8,902.76, 13,356.02 and 2,663.26

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Solution

The fourth proportional to 8,902.76, 13,356.02 and 2,663.26 is: 3,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.76 : 13,356.02 = 2,663.26 : x
  2. Step 2: Convert to fraction form
    8,902.76/13,356.02 = 2,663.26/x
  3. Step 3: Cross multiply
    8,902.76x = 13,356.02 × 2,663.26
  4. Step 4: Simplify right side
    8,902.76x = 35,570,553.83
  5. Step 5: Solve for x
    x = 35,570,553.83/8,902.76
  6. Step 6: Final answer
    x = 3,995.45

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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.