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Finding the Fourth Proportional to 17,703.98, 24,418.64 and 12,028.80

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Solution

The fourth proportional to 17,703.98, 24,418.64 and 12,028.80 is: 16,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.98 : 24,418.64 = 12,028.80 : x
  2. Step 2: Convert to fraction form
    17,703.98/24,418.64 = 12,028.80/x
  3. Step 3: Cross multiply
    17,703.98x = 24,418.64 × 12,028.80
  4. Step 4: Simplify right side
    17,703.98x = 293,726,966.90
  5. Step 5: Solve for x
    x = 293,726,966.90/17,703.98
  6. Step 6: Final answer
    x = 16,591.02

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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.