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Finding the Fourth Proportional to 69,893.28, 104,682.20 and 32,374.53

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Solution

The fourth proportional to 69,893.28, 104,682.20 and 32,374.53 is: 48,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.28 : 104,682.20 = 32,374.53 : x
  2. Step 2: Convert to fraction form
    69,893.28/104,682.20 = 32,374.53/x
  3. Step 3: Cross multiply
    69,893.28x = 104,682.20 × 32,374.53
  4. Step 4: Simplify right side
    69,893.28x = 3,389,036,862.49
  5. Step 5: Solve for x
    x = 3,389,036,862.49/69,893.28
  6. Step 6: Final answer
    x = 48,488.74

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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.