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Finding the Fourth Proportional to 71,369.75, 107,066.95 and 23,989.41

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Solution

The fourth proportional to 71,369.75, 107,066.95 and 23,989.41 is: 35,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.75 : 107,066.95 = 23,989.41 : x
  2. Step 2: Convert to fraction form
    71,369.75/107,066.95 = 23,989.41/x
  3. Step 3: Cross multiply
    71,369.75x = 107,066.95 × 23,989.41
  4. Step 4: Simplify right side
    71,369.75x = 2,568,472,901.03
  5. Step 5: Solve for x
    x = 2,568,472,901.03/71,369.75
  6. Step 6: Final answer
    x = 35,988.26

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1.5x scale

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.