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Finding the Fourth Proportional to 17,886.56, 26,837.46 and 8,997.21

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Solution

The fourth proportional to 17,886.56, 26,837.46 and 8,997.21 is: 13,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.56 : 26,837.46 = 8,997.21 : x
  2. Step 2: Convert to fraction form
    17,886.56/26,837.46 = 8,997.21/x
  3. Step 3: Cross multiply
    17,886.56x = 26,837.46 × 8,997.21
  4. Step 4: Simplify right side
    17,886.56x = 241,462,263.49
  5. Step 5: Solve for x
    x = 241,462,263.49/17,886.56
  6. Step 6: Final answer
    x = 13,499.65

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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.