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Finding the Fourth Proportional to 8,753.60, 13,131.06 and 2,513.56

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Solution

The fourth proportional to 8,753.60, 13,131.06 and 2,513.56 is: 3,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.60 : 13,131.06 = 2,513.56 : x
  2. Step 2: Convert to fraction form
    8,753.60/13,131.06 = 2,513.56/x
  3. Step 3: Cross multiply
    8,753.60x = 13,131.06 × 2,513.56
  4. Step 4: Simplify right side
    8,753.60x = 33,005,707.17
  5. Step 5: Solve for x
    x = 33,005,707.17/8,753.60
  6. Step 6: Final answer
    x = 3,770.53

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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.