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Finding the Fourth Proportional to 60,618.70, 83,656.39 and 33,761.21

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Solution

The fourth proportional to 60,618.70, 83,656.39 and 33,761.21 is: 46,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,618.70 : 83,656.39 = 33,761.21 : x
  2. Step 2: Convert to fraction form
    60,618.70/83,656.39 = 33,761.21/x
  3. Step 3: Cross multiply
    60,618.70x = 83,656.39 × 33,761.21
  4. Step 4: Simplify right side
    60,618.70x = 2,824,340,447.95
  5. Step 5: Solve for x
    x = 2,824,340,447.95/60,618.70
  6. Step 6: Final answer
    x = 46,591.90

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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.