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Finding the Fourth Proportional to 16,573.78, 22,871.46 and 9,019.92

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Solution

The fourth proportional to 16,573.78, 22,871.46 and 9,019.92 is: 12,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,573.78 : 22,871.46 = 9,019.92 : x
  2. Step 2: Convert to fraction form
    16,573.78/22,871.46 = 9,019.92/x
  3. Step 3: Cross multiply
    16,573.78x = 22,871.46 × 9,019.92
  4. Step 4: Simplify right side
    16,573.78x = 206,298,739.48
  5. Step 5: Solve for x
    x = 206,298,739.48/16,573.78
  6. Step 6: Final answer
    x = 12,447.30

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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.