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Finding the Fourth Proportional to 8,264.81, 12,396 and 2,717.93

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Solution

The fourth proportional to 8,264.81, 12,396 and 2,717.93 is: 4,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.81 : 12,396 = 2,717.93 : x
  2. Step 2: Convert to fraction form
    8,264.81/12,396 = 2,717.93/x
  3. Step 3: Cross multiply
    8,264.81x = 12,396 × 2,717.93
  4. Step 4: Simplify right side
    8,264.81x = 33,691,460.28
  5. Step 5: Solve for x
    x = 33,691,460.28/8,264.81
  6. Step 6: Final answer
    x = 4,076.50

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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.