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Finding the Fourth Proportional to 8,660.93, 11,952.12 and 4,682.03

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Solution

The fourth proportional to 8,660.93, 11,952.12 and 4,682.03 is: 6,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.93 : 11,952.12 = 4,682.03 : x
  2. Step 2: Convert to fraction form
    8,660.93/11,952.12 = 4,682.03/x
  3. Step 3: Cross multiply
    8,660.93x = 11,952.12 × 4,682.03
  4. Step 4: Simplify right side
    8,660.93x = 55,960,142.20
  5. Step 5: Solve for x
    x = 55,960,142.20/8,660.93
  6. Step 6: Final answer
    x = 6,461.22

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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.