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Finding the Fourth Proportional to 8,963.89, 13,448.77 and 2,724.17

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Solution

The fourth proportional to 8,963.89, 13,448.77 and 2,724.17 is: 4,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.89 : 13,448.77 = 2,724.17 : x
  2. Step 2: Convert to fraction form
    8,963.89/13,448.77 = 2,724.17/x
  3. Step 3: Cross multiply
    8,963.89x = 13,448.77 × 2,724.17
  4. Step 4: Simplify right side
    8,963.89x = 36,636,661.72
  5. Step 5: Solve for x
    x = 36,636,661.72/8,963.89
  6. Step 6: Final answer
    x = 4,087.14

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1.5x scale

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.