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Finding the Fourth Proportional to 27,376.91, 41,065.13 and 8,656.96

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Solution

The fourth proportional to 27,376.91, 41,065.13 and 8,656.96 is: 12,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.91 : 41,065.13 = 8,656.96 : x
  2. Step 2: Convert to fraction form
    27,376.91/41,065.13 = 8,656.96/x
  3. Step 3: Cross multiply
    27,376.91x = 41,065.13 × 8,656.96
  4. Step 4: Simplify right side
    27,376.91x = 355,499,247.18
  5. Step 5: Solve for x
    x = 355,499,247.18/27,376.91
  6. Step 6: Final answer
    x = 12,985.37

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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.