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Finding the Fourth Proportional to 8,872.44, 12,248.94 and 5,892.31

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Solution

The fourth proportional to 8,872.44, 12,248.94 and 5,892.31 is: 8,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.44 : 12,248.94 = 5,892.31 : x
  2. Step 2: Convert to fraction form
    8,872.44/12,248.94 = 5,892.31/x
  3. Step 3: Cross multiply
    8,872.44x = 12,248.94 × 5,892.31
  4. Step 4: Simplify right side
    8,872.44x = 72,174,551.65
  5. Step 5: Solve for x
    x = 72,174,551.65/8,872.44
  6. Step 6: Final answer
    x = 8,134.69

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1.5x scale

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.