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Finding the Fourth Proportional to 7,896.33, 10,896.91 and 4,359.51

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Solution

The fourth proportional to 7,896.33, 10,896.91 and 4,359.51 is: 6,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.33 : 10,896.91 = 4,359.51 : x
  2. Step 2: Convert to fraction form
    7,896.33/10,896.91 = 4,359.51/x
  3. Step 3: Cross multiply
    7,896.33x = 10,896.91 × 4,359.51
  4. Step 4: Simplify right side
    7,896.33x = 47,505,177.22
  5. Step 5: Solve for x
    x = 47,505,177.22/7,896.33
  6. Step 6: Final answer
    x = 6,016.11

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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.