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Finding the Fourth Proportional to 61,859.61, 85,367.26 and 33,565.30

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Solution

The fourth proportional to 61,859.61, 85,367.26 and 33,565.30 is: 46,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.61 : 85,367.26 = 33,565.30 : x
  2. Step 2: Convert to fraction form
    61,859.61/85,367.26 = 33,565.30/x
  3. Step 3: Cross multiply
    61,859.61x = 85,367.26 × 33,565.30
  4. Step 4: Simplify right side
    61,859.61x = 2,865,377,692.08
  5. Step 5: Solve for x
    x = 2,865,377,692.08/61,859.61
  6. Step 6: Final answer
    x = 46,320.66

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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.