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Finding the Fourth Proportional to 17,239.13, 23,790.02 and 9,787.13

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Solution

The fourth proportional to 17,239.13, 23,790.02 and 9,787.13 is: 13,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.13 : 23,790.02 = 9,787.13 : x
  2. Step 2: Convert to fraction form
    17,239.13/23,790.02 = 9,787.13/x
  3. Step 3: Cross multiply
    17,239.13x = 23,790.02 × 9,787.13
  4. Step 4: Simplify right side
    17,239.13x = 232,835,850.56
  5. Step 5: Solve for x
    x = 232,835,850.56/17,239.13
  6. Step 6: Final answer
    x = 13,506.25

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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.