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Finding the Fourth Proportional to 7,896.33, 10,898.69 and 5,065.97

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Solution

The fourth proportional to 7,896.33, 10,898.69 and 5,065.97 is: 6,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.33 : 10,898.69 = 5,065.97 : x
  2. Step 2: Convert to fraction form
    7,896.33/10,898.69 = 5,065.97/x
  3. Step 3: Cross multiply
    7,896.33x = 10,898.69 × 5,065.97
  4. Step 4: Simplify right side
    7,896.33x = 55,212,356.76
  5. Step 5: Solve for x
    x = 55,212,356.76/7,896.33
  6. Step 6: Final answer
    x = 6,992.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.