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Finding the Fourth Proportional to 27,621.41, 41,424.54 and 7,626.11

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Solution

The fourth proportional to 27,621.41, 41,424.54 and 7,626.11 is: 11,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.41 : 41,424.54 = 7,626.11 : x
  2. Step 2: Convert to fraction form
    27,621.41/41,424.54 = 7,626.11/x
  3. Step 3: Cross multiply
    27,621.41x = 41,424.54 × 7,626.11
  4. Step 4: Simplify right side
    27,621.41x = 315,908,202.30
  5. Step 5: Solve for x
    x = 315,908,202.30/27,621.41
  6. Step 6: Final answer
    x = 11,437.08

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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.