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Finding the Fourth Proportional to 48,861.70, 73,292.55 and 33,309.70

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Solution

The fourth proportional to 48,861.70, 73,292.55 and 33,309.70 is: 49,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861.70 : 73,292.55 = 33,309.70 : x
  2. Step 2: Convert to fraction form
    48,861.70/73,292.55 = 33,309.70/x
  3. Step 3: Cross multiply
    48,861.70x = 73,292.55 × 33,309.70
  4. Step 4: Simplify right side
    48,861.70x = 2,441,352,852.74
  5. Step 5: Solve for x
    x = 2,441,352,852.74/48,861.70
  6. Step 6: Final answer
    x = 49,964.55

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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.