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Finding the Fourth Proportional to 63,368.78, 94,969.20 and 33,722.78

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Solution

The fourth proportional to 63,368.78, 94,969.20 and 33,722.78 is: 50,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.78 : 94,969.20 = 33,722.78 : x
  2. Step 2: Convert to fraction form
    63,368.78/94,969.20 = 33,722.78/x
  3. Step 3: Cross multiply
    63,368.78x = 94,969.20 × 33,722.78
  4. Step 4: Simplify right side
    63,368.78x = 3,202,625,438.38
  5. Step 5: Solve for x
    x = 3,202,625,438.38/63,368.78
  6. Step 6: Final answer
    x = 50,539.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.