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Finding the Fourth Proportional to 5,668.95, 8,499.27 and 2,859.51

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Solution

The fourth proportional to 5,668.95, 8,499.27 and 2,859.51 is: 4,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.95 : 8,499.27 = 2,859.51 : x
  2. Step 2: Convert to fraction form
    5,668.95/8,499.27 = 2,859.51/x
  3. Step 3: Cross multiply
    5,668.95x = 8,499.27 × 2,859.51
  4. Step 4: Simplify right side
    5,668.95x = 24,303,747.56
  5. Step 5: Solve for x
    x = 24,303,747.56/5,668.95
  6. Step 6: Final answer
    x = 4,287.17

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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.