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Finding the Fourth Proportional to 11,363.70, 17,048.91 and 5,125.62

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Solution

The fourth proportional to 11,363.70, 17,048.91 and 5,125.62 is: 7,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.70 : 17,048.91 = 5,125.62 : x
  2. Step 2: Convert to fraction form
    11,363.70/17,048.91 = 5,125.62/x
  3. Step 3: Cross multiply
    11,363.70x = 17,048.91 × 5,125.62
  4. Step 4: Simplify right side
    11,363.70x = 87,386,234.07
  5. Step 5: Solve for x
    x = 87,386,234.07/11,363.70
  6. Step 6: Final answer
    x = 7,689.95

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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.