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Finding the Fourth Proportional to 8,165.01, 12,247.51 and 3,238.11

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Solution

The fourth proportional to 8,165.01, 12,247.51 and 3,238.11 is: 4,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.01 : 12,247.51 = 3,238.11 : x
  2. Step 2: Convert to fraction form
    8,165.01/12,247.51 = 3,238.11/x
  3. Step 3: Cross multiply
    8,165.01x = 12,247.51 × 3,238.11
  4. Step 4: Simplify right side
    8,165.01x = 39,658,784.61
  5. Step 5: Solve for x
    x = 39,658,784.61/8,165.01
  6. Step 6: Final answer
    x = 4,857.16

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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.