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Finding the Fourth Proportional to 49,773.70, 74,659.63 and 12,333.85

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Solution

The fourth proportional to 49,773.70, 74,659.63 and 12,333.85 is: 18,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.70 : 74,659.63 = 12,333.85 : x
  2. Step 2: Convert to fraction form
    49,773.70/74,659.63 = 12,333.85/x
  3. Step 3: Cross multiply
    49,773.70x = 74,659.63 × 12,333.85
  4. Step 4: Simplify right side
    49,773.70x = 920,840,677.48
  5. Step 5: Solve for x
    x = 920,840,677.48/49,773.70
  6. Step 6: Final answer
    x = 18,500.55

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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.