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Finding the Fourth Proportional to 17,239.38, 23,790.36 and 9,787.38

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Solution

The fourth proportional to 17,239.38, 23,790.36 and 9,787.38 is: 13,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.38 : 23,790.36 = 9,787.38 : x
  2. Step 2: Convert to fraction form
    17,239.38/23,790.36 = 9,787.38/x
  3. Step 3: Cross multiply
    17,239.38x = 23,790.36 × 9,787.38
  4. Step 4: Simplify right side
    17,239.38x = 232,845,293.66
  5. Step 5: Solve for x
    x = 232,845,293.66/17,239.38
  6. Step 6: Final answer
    x = 13,506.59

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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.