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Finding the Fourth Proportional to 1,446.24, 2,168.88 and 925.50

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Solution

The fourth proportional to 1,446.24, 2,168.88 and 925.50 is: 1,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.24 : 2,168.88 = 925.50 : x
  2. Step 2: Convert to fraction form
    1,446.24/2,168.88 = 925.50/x
  3. Step 3: Cross multiply
    1,446.24x = 2,168.88 × 925.50
  4. Step 4: Simplify right side
    1,446.24x = 2,007,298.44
  5. Step 5: Solve for x
    x = 2,007,298.44/1,446.24
  6. Step 6: Final answer
    x = 1,387.94

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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.