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Finding the Fourth Proportional to 86,498.93, 129,747.60 and 27,334.59

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Solution

The fourth proportional to 86,498.93, 129,747.60 and 27,334.59 is: 41,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,498.93 : 129,747.60 = 27,334.59 : x
  2. Step 2: Convert to fraction form
    86,498.93/129,747.60 = 27,334.59/x
  3. Step 3: Cross multiply
    86,498.93x = 129,747.60 × 27,334.59
  4. Step 4: Simplify right side
    86,498.93x = 3,546,597,449.48
  5. Step 5: Solve for x
    x = 3,546,597,449.48/86,498.93
  6. Step 6: Final answer
    x = 41,001.64

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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.