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Finding the Fourth Proportional to 5,868.81, 8,797.28 and 3,679.07

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Solution

The fourth proportional to 5,868.81, 8,797.28 and 3,679.07 is: 5,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.81 : 8,797.28 = 3,679.07 : x
  2. Step 2: Convert to fraction form
    5,868.81/8,797.28 = 3,679.07/x
  3. Step 3: Cross multiply
    5,868.81x = 8,797.28 × 3,679.07
  4. Step 4: Simplify right side
    5,868.81x = 32,365,808.93
  5. Step 5: Solve for x
    x = 32,365,808.93/5,868.81
  6. Step 6: Final answer
    x = 5,514.89

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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.