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Finding the Fourth Proportional to 15,286.67, 22,936.61 and 8,271.63

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Solution

The fourth proportional to 15,286.67, 22,936.61 and 8,271.63 is: 12,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.67 : 22,936.61 = 8,271.63 : x
  2. Step 2: Convert to fraction form
    15,286.67/22,936.61 = 8,271.63/x
  3. Step 3: Cross multiply
    15,286.67x = 22,936.61 × 8,271.63
  4. Step 4: Simplify right side
    15,286.67x = 189,723,110.02
  5. Step 5: Solve for x
    x = 189,723,110.02/15,286.67
  6. Step 6: Final answer
    x = 12,411.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.