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Finding the Fourth Proportional to 5,777.13, 7,972.29 and 3,259.26

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Solution

The fourth proportional to 5,777.13, 7,972.29 and 3,259.26 is: 4,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.13 : 7,972.29 = 3,259.26 : x
  2. Step 2: Convert to fraction form
    5,777.13/7,972.29 = 3,259.26/x
  3. Step 3: Cross multiply
    5,777.13x = 7,972.29 × 3,259.26
  4. Step 4: Simplify right side
    5,777.13x = 25,983,765.91
  5. Step 5: Solve for x
    x = 25,983,765.91/5,777.13
  6. Step 6: Final answer
    x = 4,497.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.