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Finding the Fourth Proportional to 29,903.76, 44,861.04 and 12,375

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Solution

The fourth proportional to 29,903.76, 44,861.04 and 12,375 is: 18,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,903.76 : 44,861.04 = 12,375 : x
  2. Step 2: Convert to fraction form
    29,903.76/44,861.04 = 12,375/x
  3. Step 3: Cross multiply
    29,903.76x = 44,861.04 × 12,375
  4. Step 4: Simplify right side
    29,903.76x = 555,155,370
  5. Step 5: Solve for x
    x = 555,155,370/29,903.76
  6. Step 6: Final answer
    x = 18,564.73

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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.