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Finding the Fourth Proportional to 86,896.88, 130,342.56 and 27,736.16

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Solution

The fourth proportional to 86,896.88, 130,342.56 and 27,736.16 is: 41,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,896.88 : 130,342.56 = 27,736.16 : x
  2. Step 2: Convert to fraction form
    86,896.88/130,342.56 = 27,736.16/x
  3. Step 3: Cross multiply
    86,896.88x = 130,342.56 × 27,736.16
  4. Step 4: Simplify right side
    86,896.88x = 3,615,202,098.97
  5. Step 5: Solve for x
    x = 3,615,202,098.97/86,896.88
  6. Step 6: Final answer
    x = 41,603.36

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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.