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Finding the Fourth Proportional to 69,965.61, 96,554.58 and 38,136.57

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Solution

The fourth proportional to 69,965.61, 96,554.58 and 38,136.57 is: 52,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.61 : 96,554.58 = 38,136.57 : x
  2. Step 2: Convert to fraction form
    69,965.61/96,554.58 = 38,136.57/x
  3. Step 3: Cross multiply
    69,965.61x = 96,554.58 × 38,136.57
  4. Step 4: Simplify right side
    69,965.61x = 3,682,260,498.99
  5. Step 5: Solve for x
    x = 3,682,260,498.99/69,965.61
  6. Step 6: Final answer
    x = 52,629.58

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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.