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Finding the Fourth Proportional to 15,110.70, 22,660.65 and 6,794.70

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Solution

The fourth proportional to 15,110.70, 22,660.65 and 6,794.70 is: 10,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.70 : 22,660.65 = 6,794.70 : x
  2. Step 2: Convert to fraction form
    15,110.70/22,660.65 = 6,794.70/x
  3. Step 3: Cross multiply
    15,110.70x = 22,660.65 × 6,794.70
  4. Step 4: Simplify right side
    15,110.70x = 153,972,318.56
  5. Step 5: Solve for x
    x = 153,972,318.56/15,110.70
  6. Step 6: Final answer
    x = 10,189.62

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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.