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Finding the Fourth Proportional to 48,990.88, 67,608.84 and 27,769.42

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Solution

The fourth proportional to 48,990.88, 67,608.84 and 27,769.42 is: 38,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.88 : 67,608.84 = 27,769.42 : x
  2. Step 2: Convert to fraction form
    48,990.88/67,608.84 = 27,769.42/x
  3. Step 3: Cross multiply
    48,990.88x = 67,608.84 × 27,769.42
  4. Step 4: Simplify right side
    48,990.88x = 1,877,458,273.67
  5. Step 5: Solve for x
    x = 1,877,458,273.67/48,990.88
  6. Step 6: Final answer
    x = 38,322.61

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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.