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Finding the Fourth Proportional to 16,997.80, 25,467.90 and 14,060.20

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Solution

The fourth proportional to 16,997.80, 25,467.90 and 14,060.20 is: 21,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.80 : 25,467.90 = 14,060.20 : x
  2. Step 2: Convert to fraction form
    16,997.80/25,467.90 = 14,060.20/x
  3. Step 3: Cross multiply
    16,997.80x = 25,467.90 × 14,060.20
  4. Step 4: Simplify right side
    16,997.80x = 358,083,767.58
  5. Step 5: Solve for x
    x = 358,083,767.58/16,997.80
  6. Step 6: Final answer
    x = 21,066.48

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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.