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Finding the Fourth Proportional to 8,468.51, 11,687.83 and 6,242.02

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Solution

The fourth proportional to 8,468.51, 11,687.83 and 6,242.02 is: 8,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.51 : 11,687.83 = 6,242.02 : x
  2. Step 2: Convert to fraction form
    8,468.51/11,687.83 = 6,242.02/x
  3. Step 3: Cross multiply
    8,468.51x = 11,687.83 × 6,242.02
  4. Step 4: Simplify right side
    8,468.51x = 72,955,623.79
  5. Step 5: Solve for x
    x = 72,955,623.79/8,468.51
  6. Step 6: Final answer
    x = 8,614.94

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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.