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Finding the Fourth Proportional to 65,872.45, 98,808.90 and 15,952.46

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Solution

The fourth proportional to 65,872.45, 98,808.90 and 15,952.46 is: 23,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.45 : 98,808.90 = 15,952.46 : x
  2. Step 2: Convert to fraction form
    65,872.45/98,808.90 = 15,952.46/x
  3. Step 3: Cross multiply
    65,872.45x = 98,808.90 × 15,952.46
  4. Step 4: Simplify right side
    65,872.45x = 1,576,245,212.09
  5. Step 5: Solve for x
    x = 1,576,245,212.09/65,872.45
  6. Step 6: Final answer
    x = 23,928.75

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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.