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Finding the Fourth Proportional to 8,994.71, 13,494.35 and 3,151.17

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Solution

The fourth proportional to 8,994.71, 13,494.35 and 3,151.17 is: 4,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.71 : 13,494.35 = 3,151.17 : x
  2. Step 2: Convert to fraction form
    8,994.71/13,494.35 = 3,151.17/x
  3. Step 3: Cross multiply
    8,994.71x = 13,494.35 × 3,151.17
  4. Step 4: Simplify right side
    8,994.71x = 42,522,975.13
  5. Step 5: Solve for x
    x = 42,522,975.13/8,994.71
  6. Step 6: Final answer
    x = 4,727.56

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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.