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Finding the Fourth Proportional to 27,597.30, 41,396.69 and 8,879.21

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Solution

The fourth proportional to 27,597.30, 41,396.69 and 8,879.21 is: 13,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.30 : 41,396.69 = 8,879.21 : x
  2. Step 2: Convert to fraction form
    27,597.30/41,396.69 = 8,879.21/x
  3. Step 3: Cross multiply
    27,597.30x = 41,396.69 × 8,879.21
  4. Step 4: Simplify right side
    27,597.30x = 367,569,903.81
  5. Step 5: Solve for x
    x = 367,569,903.81/27,597.30
  6. Step 6: Final answer
    x = 13,319.05

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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.