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Finding the Fourth Proportional to 71,365.27, 107,049.64 and 23,981.05

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Solution

The fourth proportional to 71,365.27, 107,049.64 and 23,981.05 is: 35,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.27 : 107,049.64 = 23,981.05 : x
  2. Step 2: Convert to fraction form
    71,365.27/107,049.64 = 23,981.05/x
  3. Step 3: Cross multiply
    71,365.27x = 107,049.64 × 23,981.05
  4. Step 4: Simplify right side
    71,365.27x = 2,567,162,531.67
  5. Step 5: Solve for x
    x = 2,567,162,531.67/71,365.27
  6. Step 6: Final answer
    x = 35,972.16

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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.