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Finding the Fourth Proportional to 60,757.20, 83,836.80 and 33,895.80

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Solution

The fourth proportional to 60,757.20, 83,836.80 and 33,895.80 is: 46,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,757.20 : 83,836.80 = 33,895.80 : x
  2. Step 2: Convert to fraction form
    60,757.20/83,836.80 = 33,895.80/x
  3. Step 3: Cross multiply
    60,757.20x = 83,836.80 × 33,895.80
  4. Step 4: Simplify right side
    60,757.20x = 2,841,715,405.44
  5. Step 5: Solve for x
    x = 2,841,715,405.44/60,757.20
  6. Step 6: Final answer
    x = 46,771.67

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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.