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Finding the Fourth Proportional to 86,499.68, 129,748.73 and 27,335.34

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Solution

The fourth proportional to 86,499.68, 129,748.73 and 27,335.34 is: 41,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.68 : 129,748.73 = 27,335.34 : x
  2. Step 2: Convert to fraction form
    86,499.68/129,748.73 = 27,335.34/x
  3. Step 3: Cross multiply
    86,499.68x = 129,748.73 × 27,335.34
  4. Step 4: Simplify right side
    86,499.68x = 3,546,725,512.44
  5. Step 5: Solve for x
    x = 3,546,725,512.44/86,499.68
  6. Step 6: Final answer
    x = 41,002.76

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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.