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Finding the Fourth Proportional to 17,887.14, 24,682.05 and 9,928.26

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Solution

The fourth proportional to 17,887.14, 24,682.05 and 9,928.26 is: 13,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.14 : 24,682.05 = 9,928.26 : x
  2. Step 2: Convert to fraction form
    17,887.14/24,682.05 = 9,928.26/x
  3. Step 3: Cross multiply
    17,887.14x = 24,682.05 × 9,928.26
  4. Step 4: Simplify right side
    17,887.14x = 245,049,809.73
  5. Step 5: Solve for x
    x = 245,049,809.73/17,887.14
  6. Step 6: Final answer
    x = 13,699.78

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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.