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Finding the Fourth Proportional to 1,234.14, 1,843.52 and 924.32

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Solution

The fourth proportional to 1,234.14, 1,843.52 and 924.32 is: 1,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.14 : 1,843.52 = 924.32 : x
  2. Step 2: Convert to fraction form
    1,234.14/1,843.52 = 924.32/x
  3. Step 3: Cross multiply
    1,234.14x = 1,843.52 × 924.32
  4. Step 4: Simplify right side
    1,234.14x = 1,704,002.41
  5. Step 5: Solve for x
    x = 1,704,002.41/1,234.14
  6. Step 6: Final answer
    x = 1,380.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.