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Finding the Fourth Proportional to 17,292.40, 25,936.02 and 4,811.12

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Solution

The fourth proportional to 17,292.40, 25,936.02 and 4,811.12 is: 7,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.40 : 25,936.02 = 4,811.12 : x
  2. Step 2: Convert to fraction form
    17,292.40/25,936.02 = 4,811.12/x
  3. Step 3: Cross multiply
    17,292.40x = 25,936.02 × 4,811.12
  4. Step 4: Simplify right side
    17,292.40x = 124,781,304.54
  5. Step 5: Solve for x
    x = 124,781,304.54/17,292.40
  6. Step 6: Final answer
    x = 7,215.96

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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.