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Finding the Fourth Proportional to 41,939.06, 62,948 and 21,962.89

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Solution

The fourth proportional to 41,939.06, 62,948 and 21,962.89 is: 32,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.06 : 62,948 = 21,962.89 : x
  2. Step 2: Convert to fraction form
    41,939.06/62,948 = 21,962.89/x
  3. Step 3: Cross multiply
    41,939.06x = 62,948 × 21,962.89
  4. Step 4: Simplify right side
    41,939.06x = 1,382,519,999.72
  5. Step 5: Solve for x
    x = 1,382,519,999.72/41,939.06
  6. Step 6: Final answer
    x = 32,964.97

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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.