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Finding the Fourth Proportional to 86,496.92, 129,744.60 and 27,332.59

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Solution

The fourth proportional to 86,496.92, 129,744.60 and 27,332.59 is: 40,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,496.92 : 129,744.60 = 27,332.59 : x
  2. Step 2: Convert to fraction form
    86,496.92/129,744.60 = 27,332.59/x
  3. Step 3: Cross multiply
    86,496.92x = 129,744.60 × 27,332.59
  4. Step 4: Simplify right side
    86,496.92x = 3,546,255,956.51
  5. Step 5: Solve for x
    x = 3,546,255,956.51/86,496.92
  6. Step 6: Final answer
    x = 40,998.64

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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.