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Finding the Fourth Proportional to 25,331, 37,997.04 and 8,690.96

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Solution

The fourth proportional to 25,331, 37,997.04 and 8,690.96 is: 13,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331 : 37,997.04 = 8,690.96 : x
  2. Step 2: Convert to fraction form
    25,331/37,997.04 = 8,690.96/x
  3. Step 3: Cross multiply
    25,331x = 37,997.04 × 8,690.96
  4. Step 4: Simplify right side
    25,331x = 330,230,754.76
  5. Step 5: Solve for x
    x = 330,230,754.76/25,331
  6. Step 6: Final answer
    x = 13,036.63

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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.