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Finding the Fourth Proportional to 5,910.87, 8,867.60 and 1,751.20

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Solution

The fourth proportional to 5,910.87, 8,867.60 and 1,751.20 is: 2,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.87 : 8,867.60 = 1,751.20 : x
  2. Step 2: Convert to fraction form
    5,910.87/8,867.60 = 1,751.20/x
  3. Step 3: Cross multiply
    5,910.87x = 8,867.60 × 1,751.20
  4. Step 4: Simplify right side
    5,910.87x = 15,528,941.12
  5. Step 5: Solve for x
    x = 15,528,941.12/5,910.87
  6. Step 6: Final answer
    x = 2,627.18

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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.