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Finding the Fourth Proportional to 61,813.26, 85,302.03 and 33,518.94

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Solution

The fourth proportional to 61,813.26, 85,302.03 and 33,518.94 is: 46,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.26 : 85,302.03 = 33,518.94 : x
  2. Step 2: Convert to fraction form
    61,813.26/85,302.03 = 33,518.94/x
  3. Step 3: Cross multiply
    61,813.26x = 85,302.03 × 33,518.94
  4. Step 4: Simplify right side
    61,813.26x = 2,859,233,625.45
  5. Step 5: Solve for x
    x = 2,859,233,625.45/61,813.26
  6. Step 6: Final answer
    x = 46,255.99

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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.