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Finding the Fourth Proportional to 47,397.92, 71,094.62 and 11,859.48

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Solution

The fourth proportional to 47,397.92, 71,094.62 and 11,859.48 is: 17,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,397.92 : 71,094.62 = 11,859.48 : x
  2. Step 2: Convert to fraction form
    47,397.92/71,094.62 = 11,859.48/x
  3. Step 3: Cross multiply
    47,397.92x = 71,094.62 × 11,859.48
  4. Step 4: Simplify right side
    47,397.92x = 843,145,224.00
  5. Step 5: Solve for x
    x = 843,145,224.00/47,397.92
  6. Step 6: Final answer
    x = 17,788.65

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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.