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Finding the Fourth Proportional to 25,203.75, 37,748.17 and 12,065.41

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Solution

The fourth proportional to 25,203.75, 37,748.17 and 12,065.41 is: 18,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.75 : 37,748.17 = 12,065.41 : x
  2. Step 2: Convert to fraction form
    25,203.75/37,748.17 = 12,065.41/x
  3. Step 3: Cross multiply
    25,203.75x = 37,748.17 × 12,065.41
  4. Step 4: Simplify right side
    25,203.75x = 455,447,147.80
  5. Step 5: Solve for x
    x = 455,447,147.80/25,203.75
  6. Step 6: Final answer
    x = 18,070.61

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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.