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Finding the Fourth Proportional to 62,221.40, 85,865.46 and 36,727.80

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Solution

The fourth proportional to 62,221.40, 85,865.46 and 36,727.80 is: 50,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.40 : 85,865.46 = 36,727.80 : x
  2. Step 2: Convert to fraction form
    62,221.40/85,865.46 = 36,727.80/x
  3. Step 3: Cross multiply
    62,221.40x = 85,865.46 × 36,727.80
  4. Step 4: Simplify right side
    62,221.40x = 3,153,649,441.79
  5. Step 5: Solve for x
    x = 3,153,649,441.79/62,221.40
  6. Step 6: Final answer
    x = 50,684.32

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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.