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Finding the Fourth Proportional to 27,701.92, 41,543.16 and 7,975.20

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Solution

The fourth proportional to 27,701.92, 41,543.16 and 7,975.20 is: 11,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.92 : 41,543.16 = 7,975.20 : x
  2. Step 2: Convert to fraction form
    27,701.92/41,543.16 = 7,975.20/x
  3. Step 3: Cross multiply
    27,701.92x = 41,543.16 × 7,975.20
  4. Step 4: Simplify right side
    27,701.92x = 331,315,009.63
  5. Step 5: Solve for x
    x = 331,315,009.63/27,701.92
  6. Step 6: Final answer
    x = 11,960.00

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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.