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Finding the Fourth Proportional to 27,079.10, 40,617.96 and 7,357.15

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Solution

The fourth proportional to 27,079.10, 40,617.96 and 7,357.15 is: 11,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.10 : 40,617.96 = 7,357.15 : x
  2. Step 2: Convert to fraction form
    27,079.10/40,617.96 = 7,357.15/x
  3. Step 3: Cross multiply
    27,079.10x = 40,617.96 × 7,357.15
  4. Step 4: Simplify right side
    27,079.10x = 298,832,424.41
  5. Step 5: Solve for x
    x = 298,832,424.41/27,079.10
  6. Step 6: Final answer
    x = 11,035.54

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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.