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Finding the Fourth Proportional to 8,533.26, 12,805.29 and 3,339

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Solution

The fourth proportional to 8,533.26, 12,805.29 and 3,339 is: 5,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.26 : 12,805.29 = 3,339 : x
  2. Step 2: Convert to fraction form
    8,533.26/12,805.29 = 3,339/x
  3. Step 3: Cross multiply
    8,533.26x = 12,805.29 × 3,339
  4. Step 4: Simplify right side
    8,533.26x = 42,756,863.31
  5. Step 5: Solve for x
    x = 42,756,863.31/8,533.26
  6. Step 6: Final answer
    x = 5,010.61

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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.