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Finding the Fourth Proportional to 5,919.76, 8,891.88 and 5,723.02

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Solution

The fourth proportional to 5,919.76, 8,891.88 and 5,723.02 is: 8,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.76 : 8,891.88 = 5,723.02 : x
  2. Step 2: Convert to fraction form
    5,919.76/8,891.88 = 5,723.02/x
  3. Step 3: Cross multiply
    5,919.76x = 8,891.88 × 5,723.02
  4. Step 4: Simplify right side
    5,919.76x = 50,888,407.08
  5. Step 5: Solve for x
    x = 50,888,407.08/5,919.76
  6. Step 6: Final answer
    x = 8,596.36

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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.