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Finding the Fourth Proportional to 61,969.88, 85,518.05 and 33,675.57

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Solution

The fourth proportional to 61,969.88, 85,518.05 and 33,675.57 is: 46,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.88 : 85,518.05 = 33,675.57 : x
  2. Step 2: Convert to fraction form
    61,969.88/85,518.05 = 33,675.57/x
  3. Step 3: Cross multiply
    61,969.88x = 85,518.05 × 33,675.57
  4. Step 4: Simplify right side
    61,969.88x = 2,879,868,910.66
  5. Step 5: Solve for x
    x = 2,879,868,910.66/61,969.88
  6. Step 6: Final answer
    x = 46,472.07

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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.