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Finding the Fourth Proportional to 9,286.61, 13,936.46 and 4,356.41

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Solution

The fourth proportional to 9,286.61, 13,936.46 and 4,356.41 is: 6,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.61 : 13,936.46 = 4,356.41 : x
  2. Step 2: Convert to fraction form
    9,286.61/13,936.46 = 4,356.41/x
  3. Step 3: Cross multiply
    9,286.61x = 13,936.46 × 4,356.41
  4. Step 4: Simplify right side
    9,286.61x = 60,712,842.24
  5. Step 5: Solve for x
    x = 60,712,842.24/9,286.61
  6. Step 6: Final answer
    x = 6,537.68

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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.