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Finding the Fourth Proportional to 16,029.96, 22,125.06 and 8,959.08

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Solution

The fourth proportional to 16,029.96, 22,125.06 and 8,959.08 is: 12,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.96 : 22,125.06 = 8,959.08 : x
  2. Step 2: Convert to fraction form
    16,029.96/22,125.06 = 8,959.08/x
  3. Step 3: Cross multiply
    16,029.96x = 22,125.06 × 8,959.08
  4. Step 4: Simplify right side
    16,029.96x = 198,220,182.54
  5. Step 5: Solve for x
    x = 198,220,182.54/16,029.96
  6. Step 6: Final answer
    x = 12,365.61

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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.