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Finding the Fourth Proportional to 16,425.13, 22,666.67 and 8,871.46

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Solution

The fourth proportional to 16,425.13, 22,666.67 and 8,871.46 is: 12,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.13 : 22,666.67 = 8,871.46 : x
  2. Step 2: Convert to fraction form
    16,425.13/22,666.67 = 8,871.46/x
  3. Step 3: Cross multiply
    16,425.13x = 22,666.67 × 8,871.46
  4. Step 4: Simplify right side
    16,425.13x = 201,086,456.24
  5. Step 5: Solve for x
    x = 201,086,456.24/16,425.13
  6. Step 6: Final answer
    x = 12,242.61

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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.