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Finding the Fourth Proportional to 2,367.64, 3,552.48 and 981.29

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Solution

The fourth proportional to 2,367.64, 3,552.48 and 981.29 is: 1,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.64 : 3,552.48 = 981.29 : x
  2. Step 2: Convert to fraction form
    2,367.64/3,552.48 = 981.29/x
  3. Step 3: Cross multiply
    2,367.64x = 3,552.48 × 981.29
  4. Step 4: Simplify right side
    2,367.64x = 3,486,014.75
  5. Step 5: Solve for x
    x = 3,486,014.75/2,367.64
  6. Step 6: Final answer
    x = 1,472.36

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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.