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Finding the Fourth Proportional to 6,758.96, 10,131.52 and 2,812.52

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Solution

The fourth proportional to 6,758.96, 10,131.52 and 2,812.52 is: 4,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.96 : 10,131.52 = 2,812.52 : x
  2. Step 2: Convert to fraction form
    6,758.96/10,131.52 = 2,812.52/x
  3. Step 3: Cross multiply
    6,758.96x = 10,131.52 × 2,812.52
  4. Step 4: Simplify right side
    6,758.96x = 28,495,102.63
  5. Step 5: Solve for x
    x = 28,495,102.63/6,758.96
  6. Step 6: Final answer
    x = 4,215.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.