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Finding the Fourth Proportional to 34,951.42, 48,234.16 and 19,843.58

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Solution

The fourth proportional to 34,951.42, 48,234.16 and 19,843.58 is: 27,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,951.42 : 48,234.16 = 19,843.58 : x
  2. Step 2: Convert to fraction form
    34,951.42/48,234.16 = 19,843.58/x
  3. Step 3: Cross multiply
    34,951.42x = 48,234.16 × 19,843.58
  4. Step 4: Simplify right side
    34,951.42x = 957,138,412.69
  5. Step 5: Solve for x
    x = 957,138,412.69/34,951.42
  6. Step 6: Final answer
    x = 27,384.82

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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.