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Finding the Fourth Proportional to 1,446.66, 2,167.56 and 897.48

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Solution

The fourth proportional to 1,446.66, 2,167.56 and 897.48 is: 1,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.66 : 2,167.56 = 897.48 : x
  2. Step 2: Convert to fraction form
    1,446.66/2,167.56 = 897.48/x
  3. Step 3: Cross multiply
    1,446.66x = 2,167.56 × 897.48
  4. Step 4: Simplify right side
    1,446.66x = 1,945,341.75
  5. Step 5: Solve for x
    x = 1,945,341.75/1,446.66
  6. Step 6: Final answer
    x = 1,344.71

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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.