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Finding the Fourth Proportional to 69,973, 96,565.34 and 39,763.44

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Solution

The fourth proportional to 69,973, 96,565.34 and 39,763.44 is: 54,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,973 : 96,565.34 = 39,763.44 : x
  2. Step 2: Convert to fraction form
    69,973/96,565.34 = 39,763.44/x
  3. Step 3: Cross multiply
    69,973x = 96,565.34 × 39,763.44
  4. Step 4: Simplify right side
    69,973x = 3,839,770,103.17
  5. Step 5: Solve for x
    x = 3,839,770,103.17/69,973
  6. Step 6: Final answer
    x = 54,875.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.