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Finding the Fourth Proportional to 8,344.05, 12,497.85 and 5,865.45

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Solution

The fourth proportional to 8,344.05, 12,497.85 and 5,865.45 is: 8,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.05 : 12,497.85 = 5,865.45 : x
  2. Step 2: Convert to fraction form
    8,344.05/12,497.85 = 5,865.45/x
  3. Step 3: Cross multiply
    8,344.05x = 12,497.85 × 5,865.45
  4. Step 4: Simplify right side
    8,344.05x = 73,305,514.28
  5. Step 5: Solve for x
    x = 73,305,514.28/8,344.05
  6. Step 6: Final answer
    x = 8,785.36

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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.