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Finding the Fourth Proportional to 19,363.01, 29,046.94 and 6,211.85

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Solution

The fourth proportional to 19,363.01, 29,046.94 and 6,211.85 is: 9,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.01 : 29,046.94 = 6,211.85 : x
  2. Step 2: Convert to fraction form
    19,363.01/29,046.94 = 6,211.85/x
  3. Step 3: Cross multiply
    19,363.01x = 29,046.94 × 6,211.85
  4. Step 4: Simplify right side
    19,363.01x = 180,435,073.47
  5. Step 5: Solve for x
    x = 180,435,073.47/19,363.01
  6. Step 6: Final answer
    x = 9,318.55

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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.