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Finding the Fourth Proportional to 16,712.12, 23,057 and 9,536.88

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Solution

The fourth proportional to 16,712.12, 23,057 and 9,536.88 is: 13,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.12 : 23,057 = 9,536.88 : x
  2. Step 2: Convert to fraction form
    16,712.12/23,057 = 9,536.88/x
  3. Step 3: Cross multiply
    16,712.12x = 23,057 × 9,536.88
  4. Step 4: Simplify right side
    16,712.12x = 219,891,842.16
  5. Step 5: Solve for x
    x = 219,891,842.16/16,712.12
  6. Step 6: Final answer
    x = 13,157.63

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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.