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Finding the Fourth Proportional to 86,606.97, 129,914.07 and 27,441.33

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Solution

The fourth proportional to 86,606.97, 129,914.07 and 27,441.33 is: 41,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,606.97 : 129,914.07 = 27,441.33 : x
  2. Step 2: Convert to fraction form
    86,606.97/129,914.07 = 27,441.33/x
  3. Step 3: Cross multiply
    86,606.97x = 129,914.07 × 27,441.33
  4. Step 4: Simplify right side
    86,606.97x = 3,565,014,866.51
  5. Step 5: Solve for x
    x = 3,565,014,866.51/86,606.97
  6. Step 6: Final answer
    x = 41,163.14

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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.