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Finding the Fourth Proportional to 61,969.46, 85,517.79 and 33,675.08

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Solution

The fourth proportional to 61,969.46, 85,517.79 and 33,675.08 is: 46,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.46 : 85,517.79 = 33,675.08 : x
  2. Step 2: Convert to fraction form
    61,969.46/85,517.79 = 33,675.08/x
  3. Step 3: Cross multiply
    61,969.46x = 85,517.79 × 33,675.08
  4. Step 4: Simplify right side
    61,969.46x = 2,879,818,419.67
  5. Step 5: Solve for x
    x = 2,879,818,419.67/61,969.46
  6. Step 6: Final answer
    x = 46,471.58

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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.