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Finding the Fourth Proportional to 15,310.05, 22,943.67 and 8,274.89

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Solution

The fourth proportional to 15,310.05, 22,943.67 and 8,274.89 is: 12,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.05 : 22,943.67 = 8,274.89 : x
  2. Step 2: Convert to fraction form
    15,310.05/22,943.67 = 8,274.89/x
  3. Step 3: Cross multiply
    15,310.05x = 22,943.67 × 8,274.89
  4. Step 4: Simplify right side
    15,310.05x = 189,856,345.45
  5. Step 5: Solve for x
    x = 189,856,345.45/15,310.05
  6. Step 6: Final answer
    x = 12,400.77

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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.