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Finding the Fourth Proportional to 41,482.31, 62,215.09 and 11,892.20

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Solution

The fourth proportional to 41,482.31, 62,215.09 and 11,892.20 is: 17,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,482.31 : 62,215.09 = 11,892.20 : x
  2. Step 2: Convert to fraction form
    41,482.31/62,215.09 = 11,892.20/x
  3. Step 3: Cross multiply
    41,482.31x = 62,215.09 × 11,892.20
  4. Step 4: Simplify right side
    41,482.31x = 739,873,952.49
  5. Step 5: Solve for x
    x = 739,873,952.49/41,482.31
  6. Step 6: Final answer
    x = 17,835.89

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1.5x scale

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.