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Finding the Fourth Proportional to 27,698.72, 41,545.62 and 6,922.20

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Solution

The fourth proportional to 27,698.72, 41,545.62 and 6,922.20 is: 10,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.72 : 41,545.62 = 6,922.20 : x
  2. Step 2: Convert to fraction form
    27,698.72/41,545.62 = 6,922.20/x
  3. Step 3: Cross multiply
    27,698.72x = 41,545.62 × 6,922.20
  4. Step 4: Simplify right side
    27,698.72x = 287,587,090.76
  5. Step 5: Solve for x
    x = 287,587,090.76/27,698.72
  6. Step 6: Final answer
    x = 10,382.69

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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.