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Finding the Fourth Proportional to 34,843.91, 48,082.77 and 18,928.31

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Solution

The fourth proportional to 34,843.91, 48,082.77 and 18,928.31 is: 26,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.91 : 48,082.77 = 18,928.31 : x
  2. Step 2: Convert to fraction form
    34,843.91/48,082.77 = 18,928.31/x
  3. Step 3: Cross multiply
    34,843.91x = 48,082.77 × 18,928.31
  4. Step 4: Simplify right side
    34,843.91x = 910,125,335.80
  5. Step 5: Solve for x
    x = 910,125,335.80/34,843.91
  6. Step 6: Final answer
    x = 26,120.07

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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.