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Finding the Fourth Proportional to 61,868.00, 85,377.90 and 33,573.69

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Solution

The fourth proportional to 61,868.00, 85,377.90 and 33,573.69 is: 46,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.00 : 85,377.90 = 33,573.69 : x
  2. Step 2: Convert to fraction form
    61,868.00/85,377.90 = 33,573.69/x
  3. Step 3: Cross multiply
    61,868.00x = 85,377.90 × 33,573.69
  4. Step 4: Simplify right side
    61,868.00x = 2,866,451,084.50
  5. Step 5: Solve for x
    x = 2,866,451,084.50/61,868.00
  6. Step 6: Final answer
    x = 46,331.72

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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.