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Finding the Fourth Proportional to 3,264.81, 4,897.17 and 799.65

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Solution

The fourth proportional to 3,264.81, 4,897.17 and 799.65 is: 1,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.81 : 4,897.17 = 799.65 : x
  2. Step 2: Convert to fraction form
    3,264.81/4,897.17 = 799.65/x
  3. Step 3: Cross multiply
    3,264.81x = 4,897.17 × 799.65
  4. Step 4: Simplify right side
    3,264.81x = 3,916,021.99
  5. Step 5: Solve for x
    x = 3,916,021.99/3,264.81
  6. Step 6: Final answer
    x = 1,199.46

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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.