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Finding the Fourth Proportional to 7,898.82, 11,843.82 and 2,632.40

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Solution

The fourth proportional to 7,898.82, 11,843.82 and 2,632.40 is: 3,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.82 : 11,843.82 = 2,632.40 : x
  2. Step 2: Convert to fraction form
    7,898.82/11,843.82 = 2,632.40/x
  3. Step 3: Cross multiply
    7,898.82x = 11,843.82 × 2,632.40
  4. Step 4: Simplify right side
    7,898.82x = 31,177,656.96
  5. Step 5: Solve for x
    x = 31,177,656.96/7,898.82
  6. Step 6: Final answer
    x = 3,947.13

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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.