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Finding the Fourth Proportional to 60,711.72, 83,782.65 and 33,855.97

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Solution

The fourth proportional to 60,711.72, 83,782.65 and 33,855.97 is: 46,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,711.72 : 83,782.65 = 33,855.97 : x
  2. Step 2: Convert to fraction form
    60,711.72/83,782.65 = 33,855.97/x
  3. Step 3: Cross multiply
    60,711.72x = 83,782.65 × 33,855.97
  4. Step 4: Simplify right side
    60,711.72x = 2,836,542,675.46
  5. Step 5: Solve for x
    x = 2,836,542,675.46/60,711.72
  6. Step 6: Final answer
    x = 46,721.50

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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.