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Finding the Fourth Proportional to 17,338.25, 23,930.03 and 9,886.25

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Solution

The fourth proportional to 17,338.25, 23,930.03 and 9,886.25 is: 13,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,338.25 : 23,930.03 = 9,886.25 : x
  2. Step 2: Convert to fraction form
    17,338.25/23,930.03 = 9,886.25/x
  3. Step 3: Cross multiply
    17,338.25x = 23,930.03 × 9,886.25
  4. Step 4: Simplify right side
    17,338.25x = 236,578,259.09
  5. Step 5: Solve for x
    x = 236,578,259.09/17,338.25
  6. Step 6: Final answer
    x = 13,644.88

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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.