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Finding the Fourth Proportional to 19,488.67, 29,229.76 and 7,006.17

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Solution

The fourth proportional to 19,488.67, 29,229.76 and 7,006.17 is: 10,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.67 : 29,229.76 = 7,006.17 : x
  2. Step 2: Convert to fraction form
    19,488.67/29,229.76 = 7,006.17/x
  3. Step 3: Cross multiply
    19,488.67x = 29,229.76 × 7,006.17
  4. Step 4: Simplify right side
    19,488.67x = 204,788,667.62
  5. Step 5: Solve for x
    x = 204,788,667.62/19,488.67
  6. Step 6: Final answer
    x = 10,508.09

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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.