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Finding the Fourth Proportional to 45,080.85, 67,625.79 and 15,494.79

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Solution

The fourth proportional to 45,080.85, 67,625.79 and 15,494.79 is: 23,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,080.85 : 67,625.79 = 15,494.79 : x
  2. Step 2: Convert to fraction form
    45,080.85/67,625.79 = 15,494.79/x
  3. Step 3: Cross multiply
    45,080.85x = 67,625.79 × 15,494.79
  4. Step 4: Simplify right side
    45,080.85x = 1,047,847,610.13
  5. Step 5: Solve for x
    x = 1,047,847,610.13/45,080.85
  6. Step 6: Final answer
    x = 23,243.74

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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.