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Finding the Fourth Proportional to 16,419.08, 24,643.98 and 8,108.48

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Solution

The fourth proportional to 16,419.08, 24,643.98 and 8,108.48 is: 12,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.08 : 24,643.98 = 8,108.48 : x
  2. Step 2: Convert to fraction form
    16,419.08/24,643.98 = 8,108.48/x
  3. Step 3: Cross multiply
    16,419.08x = 24,643.98 × 8,108.48
  4. Step 4: Simplify right side
    16,419.08x = 199,825,218.95
  5. Step 5: Solve for x
    x = 199,825,218.95/16,419.08
  6. Step 6: Final answer
    x = 12,170.31

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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.