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Finding the Fourth Proportional to 2,703.60, 4,053.16 and 1,163.76

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Solution

The fourth proportional to 2,703.60, 4,053.16 and 1,163.76 is: 1,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.60 : 4,053.16 = 1,163.76 : x
  2. Step 2: Convert to fraction form
    2,703.60/4,053.16 = 1,163.76/x
  3. Step 3: Cross multiply
    2,703.60x = 4,053.16 × 1,163.76
  4. Step 4: Simplify right side
    2,703.60x = 4,716,905.48
  5. Step 5: Solve for x
    x = 4,716,905.48/2,703.60
  6. Step 6: Final answer
    x = 1,744.68

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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.