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Finding the Fourth Proportional to 17,278.16, 23,786.22 and 16,484.66

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Solution

The fourth proportional to 17,278.16, 23,786.22 and 16,484.66 is: 22,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.16 : 23,786.22 = 16,484.66 : x
  2. Step 2: Convert to fraction form
    17,278.16/23,786.22 = 16,484.66/x
  3. Step 3: Cross multiply
    17,278.16x = 23,786.22 × 16,484.66
  4. Step 4: Simplify right side
    17,278.16x = 392,107,749.39
  5. Step 5: Solve for x
    x = 392,107,749.39/17,278.16
  6. Step 6: Final answer
    x = 22,693.84

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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.