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Finding the Fourth Proportional to 65,950.69, 98,955.88 and 25,958.66

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Solution

The fourth proportional to 65,950.69, 98,955.88 and 25,958.66 is: 38,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.69 : 98,955.88 = 25,958.66 : x
  2. Step 2: Convert to fraction form
    65,950.69/98,955.88 = 25,958.66/x
  3. Step 3: Cross multiply
    65,950.69x = 98,955.88 × 25,958.66
  4. Step 4: Simplify right side
    65,950.69x = 2,568,761,855.33
  5. Step 5: Solve for x
    x = 2,568,761,855.33/65,950.69
  6. Step 6: Final answer
    x = 38,949.74

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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.