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Finding the Fourth Proportional to 71,370.81, 107,065.41 and 23,965.53

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Solution

The fourth proportional to 71,370.81, 107,065.41 and 23,965.53 is: 35,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.81 : 107,065.41 = 23,965.53 : x
  2. Step 2: Convert to fraction form
    71,370.81/107,065.41 = 23,965.53/x
  3. Step 3: Cross multiply
    71,370.81x = 107,065.41 × 23,965.53
  4. Step 4: Simplify right side
    71,370.81x = 2,565,879,295.32
  5. Step 5: Solve for x
    x = 2,565,879,295.32/71,370.81
  6. Step 6: Final answer
    x = 35,951.38

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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.