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Finding the Fourth Proportional to 16,661.52, 22,992.92 and 9,587.80

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Solution

The fourth proportional to 16,661.52, 22,992.92 and 9,587.80 is: 13,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.52 : 22,992.92 = 9,587.80 : x
  2. Step 2: Convert to fraction form
    16,661.52/22,992.92 = 9,587.80/x
  3. Step 3: Cross multiply
    16,661.52x = 22,992.92 × 9,587.80
  4. Step 4: Simplify right side
    16,661.52x = 220,451,518.38
  5. Step 5: Solve for x
    x = 220,451,518.38/16,661.52
  6. Step 6: Final answer
    x = 13,231.18

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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.