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Finding the Fourth Proportional to 60,920.03, 84,072.90 and 36,728.73

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Solution

The fourth proportional to 60,920.03, 84,072.90 and 36,728.73 is: 50,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,920.03 : 84,072.90 = 36,728.73 : x
  2. Step 2: Convert to fraction form
    60,920.03/84,072.90 = 36,728.73/x
  3. Step 3: Cross multiply
    60,920.03x = 84,072.90 × 36,728.73
  4. Step 4: Simplify right side
    60,920.03x = 3,087,890,844.42
  5. Step 5: Solve for x
    x = 3,087,890,844.42/60,920.03
  6. Step 6: Final answer
    x = 50,687.62

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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.