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Finding the Fourth Proportional to 48,991.84, 67,601.92 and 27,770.56

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Solution

The fourth proportional to 48,991.84, 67,601.92 and 27,770.56 is: 38,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.84 : 67,601.92 = 27,770.56 : x
  2. Step 2: Convert to fraction form
    48,991.84/67,601.92 = 27,770.56/x
  3. Step 3: Cross multiply
    48,991.84x = 67,601.92 × 27,770.56
  4. Step 4: Simplify right side
    48,991.84x = 1,877,343,175.48
  5. Step 5: Solve for x
    x = 1,877,343,175.48/48,991.84
  6. Step 6: Final answer
    x = 38,319.51

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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.