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Finding the Fourth Proportional to 8,914.06, 13,371.10 and 2,674.72

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Solution

The fourth proportional to 8,914.06, 13,371.10 and 2,674.72 is: 4,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.06 : 13,371.10 = 2,674.72 : x
  2. Step 2: Convert to fraction form
    8,914.06/13,371.10 = 2,674.72/x
  3. Step 3: Cross multiply
    8,914.06x = 13,371.10 × 2,674.72
  4. Step 4: Simplify right side
    8,914.06x = 35,763,948.59
  5. Step 5: Solve for x
    x = 35,763,948.59/8,914.06
  6. Step 6: Final answer
    x = 4,012.08

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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.