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Finding the Fourth Proportional to 25,498.44, 35,169.12 and 14,887.44

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Solution

The fourth proportional to 25,498.44, 35,169.12 and 14,887.44 is: 20,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,498.44 : 35,169.12 = 14,887.44 : x
  2. Step 2: Convert to fraction form
    25,498.44/35,169.12 = 14,887.44/x
  3. Step 3: Cross multiply
    25,498.44x = 35,169.12 × 14,887.44
  4. Step 4: Simplify right side
    25,498.44x = 523,578,163.85
  5. Step 5: Solve for x
    x = 523,578,163.85/25,498.44
  6. Step 6: Final answer
    x = 20,533.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.