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Finding the Fourth Proportional to 60,736.70, 83,855.67 and 38,106.74

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Solution

The fourth proportional to 60,736.70, 83,855.67 and 38,106.74 is: 52,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,736.70 : 83,855.67 = 38,106.74 : x
  2. Step 2: Convert to fraction form
    60,736.70/83,855.67 = 38,106.74/x
  3. Step 3: Cross multiply
    60,736.70x = 83,855.67 × 38,106.74
  4. Step 4: Simplify right side
    60,736.70x = 3,195,466,214.22
  5. Step 5: Solve for x
    x = 3,195,466,214.22/60,736.70
  6. Step 6: Final answer
    x = 52,611.79

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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.