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Finding the Fourth Proportional to 6,553.29, 9,829.95 and 2,169.57

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Solution

The fourth proportional to 6,553.29, 9,829.95 and 2,169.57 is: 3,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.29 : 9,829.95 = 2,169.57 : x
  2. Step 2: Convert to fraction form
    6,553.29/9,829.95 = 2,169.57/x
  3. Step 3: Cross multiply
    6,553.29x = 9,829.95 × 2,169.57
  4. Step 4: Simplify right side
    6,553.29x = 21,326,764.62
  5. Step 5: Solve for x
    x = 21,326,764.62/6,553.29
  6. Step 6: Final answer
    x = 3,254.36

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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.