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Finding the Fourth Proportional to 62,222.40, 85,866.84 and 36,728.80

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Solution

The fourth proportional to 62,222.40, 85,866.84 and 36,728.80 is: 50,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,222.40 : 85,866.84 = 36,728.80 : x
  2. Step 2: Convert to fraction form
    62,222.40/85,866.84 = 36,728.80/x
  3. Step 3: Cross multiply
    62,222.40x = 85,866.84 × 36,728.80
  4. Step 4: Simplify right side
    62,222.40x = 3,153,785,992.99
  5. Step 5: Solve for x
    x = 3,153,785,992.99/62,222.40
  6. Step 6: Final answer
    x = 50,685.70

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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.