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Finding the Fourth Proportional to 48,190.88, 72,428.88 and 39,923.84

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Solution

The fourth proportional to 48,190.88, 72,428.88 and 39,923.84 is: 60,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,190.88 : 72,428.88 = 39,923.84 : x
  2. Step 2: Convert to fraction form
    48,190.88/72,428.88 = 39,923.84/x
  3. Step 3: Cross multiply
    48,190.88x = 72,428.88 × 39,923.84
  4. Step 4: Simplify right side
    48,190.88x = 2,891,639,016.50
  5. Step 5: Solve for x
    x = 2,891,639,016.50/48,190.88
  6. Step 6: Final answer
    x = 60,003.86

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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.