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Finding the Fourth Proportional to 34,046.92, 50,979.42 and 19,995.40

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Solution

The fourth proportional to 34,046.92, 50,979.42 and 19,995.40 is: 29,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,046.92 : 50,979.42 = 19,995.40 : x
  2. Step 2: Convert to fraction form
    34,046.92/50,979.42 = 19,995.40/x
  3. Step 3: Cross multiply
    34,046.92x = 50,979.42 × 19,995.40
  4. Step 4: Simplify right side
    34,046.92x = 1,019,353,894.67
  5. Step 5: Solve for x
    x = 1,019,353,894.67/34,046.92
  6. Step 6: Final answer
    x = 29,939.68

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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.