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Finding the Fourth Proportional to 71,371.52, 107,059.04 and 23,987.32

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Solution

The fourth proportional to 71,371.52, 107,059.04 and 23,987.32 is: 35,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.52 : 107,059.04 = 23,987.32 : x
  2. Step 2: Convert to fraction form
    71,371.52/107,059.04 = 23,987.32/x
  3. Step 3: Cross multiply
    71,371.52x = 107,059.04 × 23,987.32
  4. Step 4: Simplify right side
    71,371.52x = 2,568,059,451.37
  5. Step 5: Solve for x
    x = 2,568,059,451.37/71,371.52
  6. Step 6: Final answer
    x = 35,981.57

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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.