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Finding the Fourth Proportional to 27,416.52, 41,125.02 and 6,640.04

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Solution

The fourth proportional to 27,416.52, 41,125.02 and 6,640.04 is: 9,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,416.52 : 41,125.02 = 6,640.04 : x
  2. Step 2: Convert to fraction form
    27,416.52/41,125.02 = 6,640.04/x
  3. Step 3: Cross multiply
    27,416.52x = 41,125.02 × 6,640.04
  4. Step 4: Simplify right side
    27,416.52x = 273,071,777.80
  5. Step 5: Solve for x
    x = 273,071,777.80/27,416.52
  6. Step 6: Final answer
    x = 9,960.12

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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.