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Finding the Fourth Proportional to 65,389.88, 98,099.40 and 23,836.88

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Solution

The fourth proportional to 65,389.88, 98,099.40 and 23,836.88 is: 35,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389.88 : 98,099.40 = 23,836.88 : x
  2. Step 2: Convert to fraction form
    65,389.88/98,099.40 = 23,836.88/x
  3. Step 3: Cross multiply
    65,389.88x = 98,099.40 × 23,836.88
  4. Step 4: Simplify right side
    65,389.88x = 2,338,383,625.87
  5. Step 5: Solve for x
    x = 2,338,383,625.87/65,389.88
  6. Step 6: Final answer
    x = 35,760.63

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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.