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Finding the Fourth Proportional to 3,265.33, 4,897.99 and 800.11

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Solution

The fourth proportional to 3,265.33, 4,897.99 and 800.11 is: 1,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.33 : 4,897.99 = 800.11 : x
  2. Step 2: Convert to fraction form
    3,265.33/4,897.99 = 800.11/x
  3. Step 3: Cross multiply
    3,265.33x = 4,897.99 × 800.11
  4. Step 4: Simplify right side
    3,265.33x = 3,918,930.78
  5. Step 5: Solve for x
    x = 3,918,930.78/3,265.33
  6. Step 6: Final answer
    x = 1,200.17

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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.