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Finding the Fourth Proportional to 8,262.36, 12,391.30 and 2,337.84

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Solution

The fourth proportional to 8,262.36, 12,391.30 and 2,337.84 is: 3,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.36 : 12,391.30 = 2,337.84 : x
  2. Step 2: Convert to fraction form
    8,262.36/12,391.30 = 2,337.84/x
  3. Step 3: Cross multiply
    8,262.36x = 12,391.30 × 2,337.84
  4. Step 4: Simplify right side
    8,262.36x = 28,968,876.79
  5. Step 5: Solve for x
    x = 28,968,876.79/8,262.36
  6. Step 6: Final answer
    x = 3,506.13

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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.