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Finding the Fourth Proportional to 29,268, 40,318.56 and 22,187.52

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Solution

The fourth proportional to 29,268, 40,318.56 and 22,187.52 is: 30,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268 : 40,318.56 = 22,187.52 : x
  2. Step 2: Convert to fraction form
    29,268/40,318.56 = 22,187.52/x
  3. Step 3: Cross multiply
    29,268x = 40,318.56 × 22,187.52
  4. Step 4: Simplify right side
    29,268x = 894,568,856.37
  5. Step 5: Solve for x
    x = 894,568,856.37/29,268
  6. Step 6: Final answer
    x = 30,564.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.