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Finding the Fourth Proportional to 22,468.78, 33,708.03 and 6,886

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Solution

The fourth proportional to 22,468.78, 33,708.03 and 6,886 is: 10,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,468.78 : 33,708.03 = 6,886 : x
  2. Step 2: Convert to fraction form
    22,468.78/33,708.03 = 6,886/x
  3. Step 3: Cross multiply
    22,468.78x = 33,708.03 × 6,886
  4. Step 4: Simplify right side
    22,468.78x = 232,113,494.58
  5. Step 5: Solve for x
    x = 232,113,494.58/22,468.78
  6. Step 6: Final answer
    x = 10,330.49

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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.