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Finding the Fourth Proportional to 18,857.16, 26,034.97 and 16,837.09

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Solution

The fourth proportional to 18,857.16, 26,034.97 and 16,837.09 is: 23,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.16 : 26,034.97 = 16,837.09 : x
  2. Step 2: Convert to fraction form
    18,857.16/26,034.97 = 16,837.09/x
  3. Step 3: Cross multiply
    18,857.16x = 26,034.97 × 16,837.09
  4. Step 4: Simplify right side
    18,857.16x = 438,353,133.04
  5. Step 5: Solve for x
    x = 438,353,133.04/18,857.16
  6. Step 6: Final answer
    x = 23,245.98

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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.