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Finding the Fourth Proportional to 8,055.76, 12,082.50 and 2,507.80

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Solution

The fourth proportional to 8,055.76, 12,082.50 and 2,507.80 is: 3,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.76 : 12,082.50 = 2,507.80 : x
  2. Step 2: Convert to fraction form
    8,055.76/12,082.50 = 2,507.80/x
  3. Step 3: Cross multiply
    8,055.76x = 12,082.50 × 2,507.80
  4. Step 4: Simplify right side
    8,055.76x = 30,300,493.50
  5. Step 5: Solve for x
    x = 30,300,493.50/8,055.76
  6. Step 6: Final answer
    x = 3,761.35

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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.