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Finding the Fourth Proportional to 61,891.23, 85,409.31 and 33,596.88

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Solution

The fourth proportional to 61,891.23, 85,409.31 and 33,596.88 is: 46,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,891.23 : 85,409.31 = 33,596.88 : x
  2. Step 2: Convert to fraction form
    61,891.23/85,409.31 = 33,596.88/x
  3. Step 3: Cross multiply
    61,891.23x = 85,409.31 × 33,596.88
  4. Step 4: Simplify right side
    61,891.23x = 2,869,486,338.95
  5. Step 5: Solve for x
    x = 2,869,486,338.95/61,891.23
  6. Step 6: Final answer
    x = 46,363.38

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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.