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Finding the Fourth Proportional to 22,701.51, 34,055.90 and 8,660.97

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Solution

The fourth proportional to 22,701.51, 34,055.90 and 8,660.97 is: 12,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.51 : 34,055.90 = 8,660.97 : x
  2. Step 2: Convert to fraction form
    22,701.51/34,055.90 = 8,660.97/x
  3. Step 3: Cross multiply
    22,701.51x = 34,055.90 × 8,660.97
  4. Step 4: Simplify right side
    22,701.51x = 294,957,149.88
  5. Step 5: Solve for x
    x = 294,957,149.88/22,701.51
  6. Step 6: Final answer
    x = 12,992.84

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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.