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Finding the Fourth Proportional to 29,124.40, 40,163.94 and 19,049.68

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Solution

The fourth proportional to 29,124.40, 40,163.94 and 19,049.68 is: 26,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,124.40 : 40,163.94 = 19,049.68 : x
  2. Step 2: Convert to fraction form
    29,124.40/40,163.94 = 19,049.68/x
  3. Step 3: Cross multiply
    29,124.40x = 40,163.94 × 19,049.68
  4. Step 4: Simplify right side
    29,124.40x = 765,110,204.54
  5. Step 5: Solve for x
    x = 765,110,204.54/29,124.40
  6. Step 6: Final answer
    x = 26,270.42

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1.5x scale

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.