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Finding the Fourth Proportional to 12,274.38, 16,937.46 and 8,300.88

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Solution

The fourth proportional to 12,274.38, 16,937.46 and 8,300.88 is: 11,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.38 : 16,937.46 = 8,300.88 : x
  2. Step 2: Convert to fraction form
    12,274.38/16,937.46 = 8,300.88/x
  3. Step 3: Cross multiply
    12,274.38x = 16,937.46 × 8,300.88
  4. Step 4: Simplify right side
    12,274.38x = 140,595,822.96
  5. Step 5: Solve for x
    x = 140,595,822.96/12,274.38
  6. Step 6: Final answer
    x = 11,454.41

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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.