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Finding the Fourth Proportional to 47,819.64, 65,990.91 and 26,598.90

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Solution

The fourth proportional to 47,819.64, 65,990.91 and 26,598.90 is: 36,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.64 : 65,990.91 = 26,598.90 : x
  2. Step 2: Convert to fraction form
    47,819.64/65,990.91 = 26,598.90/x
  3. Step 3: Cross multiply
    47,819.64x = 65,990.91 × 26,598.90
  4. Step 4: Simplify right side
    47,819.64x = 1,755,285,616.00
  5. Step 5: Solve for x
    x = 1,755,285,616.00/47,819.64
  6. Step 6: Final answer
    x = 36,706.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.