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Finding the Fourth Proportional to 39,163.52, 58,750.88 and 15,788.16

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Solution

The fourth proportional to 39,163.52, 58,750.88 and 15,788.16 is: 23,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.52 : 58,750.88 = 15,788.16 : x
  2. Step 2: Convert to fraction form
    39,163.52/58,750.88 = 15,788.16/x
  3. Step 3: Cross multiply
    39,163.52x = 58,750.88 × 15,788.16
  4. Step 4: Simplify right side
    39,163.52x = 927,568,293.58
  5. Step 5: Solve for x
    x = 927,568,293.58/39,163.52
  6. Step 6: Final answer
    x = 23,684.50

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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.