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Finding the Fourth Proportional to 19,363.62, 29,045.70 and 5,512.62

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Solution

The fourth proportional to 19,363.62, 29,045.70 and 5,512.62 is: 8,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.62 : 29,045.70 = 5,512.62 : x
  2. Step 2: Convert to fraction form
    19,363.62/29,045.70 = 5,512.62/x
  3. Step 3: Cross multiply
    19,363.62x = 29,045.70 × 5,512.62
  4. Step 4: Simplify right side
    19,363.62x = 160,117,906.73
  5. Step 5: Solve for x
    x = 160,117,906.73/19,363.62
  6. Step 6: Final answer
    x = 8,269.01

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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.