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Finding the Fourth Proportional to 82,044.78, 123,067.17 and 25,885.05

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Solution

The fourth proportional to 82,044.78, 123,067.17 and 25,885.05 is: 38,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044.78 : 123,067.17 = 25,885.05 : x
  2. Step 2: Convert to fraction form
    82,044.78/123,067.17 = 25,885.05/x
  3. Step 3: Cross multiply
    82,044.78x = 123,067.17 × 25,885.05
  4. Step 4: Simplify right side
    82,044.78x = 3,185,599,848.81
  5. Step 5: Solve for x
    x = 3,185,599,848.81/82,044.78
  6. Step 6: Final answer
    x = 38,827.58

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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.