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Finding the Fourth Proportional to 5,805.92, 8,719.32 and 5,571.02

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Solution

The fourth proportional to 5,805.92, 8,719.32 and 5,571.02 is: 8,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.92 : 8,719.32 = 5,571.02 : x
  2. Step 2: Convert to fraction form
    5,805.92/8,719.32 = 5,571.02/x
  3. Step 3: Cross multiply
    5,805.92x = 8,719.32 × 5,571.02
  4. Step 4: Simplify right side
    5,805.92x = 48,575,506.11
  5. Step 5: Solve for x
    x = 48,575,506.11/5,805.92
  6. Step 6: Final answer
    x = 8,366.55

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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.