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Finding the Fourth Proportional to 67,292.54, 100,958.51 and 19,908.83

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Solution

The fourth proportional to 67,292.54, 100,958.51 and 19,908.83 is: 29,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292.54 : 100,958.51 = 19,908.83 : x
  2. Step 2: Convert to fraction form
    67,292.54/100,958.51 = 19,908.83/x
  3. Step 3: Cross multiply
    67,292.54x = 100,958.51 × 19,908.83
  4. Step 4: Simplify right side
    67,292.54x = 2,009,965,208.31
  5. Step 5: Solve for x
    x = 2,009,965,208.31/67,292.54
  6. Step 6: Final answer
    x = 29,869.07

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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.