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Finding the Fourth Proportional to 1,568.76, 2,163.18 and 1,552.96

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Solution

The fourth proportional to 1,568.76, 2,163.18 and 1,552.96 is: 2,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.76 : 2,163.18 = 1,552.96 : x
  2. Step 2: Convert to fraction form
    1,568.76/2,163.18 = 1,552.96/x
  3. Step 3: Cross multiply
    1,568.76x = 2,163.18 × 1,552.96
  4. Step 4: Simplify right side
    1,568.76x = 3,359,332.01
  5. Step 5: Solve for x
    x = 3,359,332.01/1,568.76
  6. Step 6: Final answer
    x = 2,141.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.