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Finding the Fourth Proportional to 16,832.64, 25,221 and 10,238.88

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Solution

The fourth proportional to 16,832.64, 25,221 and 10,238.88 is: 15,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.64 : 25,221 = 10,238.88 : x
  2. Step 2: Convert to fraction form
    16,832.64/25,221 = 10,238.88/x
  3. Step 3: Cross multiply
    16,832.64x = 25,221 × 10,238.88
  4. Step 4: Simplify right side
    16,832.64x = 258,234,792.48
  5. Step 5: Solve for x
    x = 258,234,792.48/16,832.64
  6. Step 6: Final answer
    x = 15,341.31

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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.