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Finding the Fourth Proportional to 11,469.61, 17,202.79 and 5,624.65

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Solution

The fourth proportional to 11,469.61, 17,202.79 and 5,624.65 is: 8,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.61 : 17,202.79 = 5,624.65 : x
  2. Step 2: Convert to fraction form
    11,469.61/17,202.79 = 5,624.65/x
  3. Step 3: Cross multiply
    11,469.61x = 17,202.79 × 5,624.65
  4. Step 4: Simplify right side
    11,469.61x = 96,759,672.77
  5. Step 5: Solve for x
    x = 96,759,672.77/11,469.61
  6. Step 6: Final answer
    x = 8,436.18

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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.