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Finding the Fourth Proportional to 18,058.27, 24,921.71 and 10,103.06

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Solution

The fourth proportional to 18,058.27, 24,921.71 and 10,103.06 is: 13,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.27 : 24,921.71 = 10,103.06 : x
  2. Step 2: Convert to fraction form
    18,058.27/24,921.71 = 10,103.06/x
  3. Step 3: Cross multiply
    18,058.27x = 24,921.71 × 10,103.06
  4. Step 4: Simplify right side
    18,058.27x = 251,785,432.08
  5. Step 5: Solve for x
    x = 251,785,432.08/18,058.27
  6. Step 6: Final answer
    x = 13,942.95

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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.