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Finding the Fourth Proportional to 44,689.86, 67,034.72 and 11,409.92

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Solution

The fourth proportional to 44,689.86, 67,034.72 and 11,409.92 is: 17,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,689.86 : 67,034.72 = 11,409.92 : x
  2. Step 2: Convert to fraction form
    44,689.86/67,034.72 = 11,409.92/x
  3. Step 3: Cross multiply
    44,689.86x = 67,034.72 × 11,409.92
  4. Step 4: Simplify right side
    44,689.86x = 764,860,792.42
  5. Step 5: Solve for x
    x = 764,860,792.42/44,689.86
  6. Step 6: Final answer
    x = 17,114.86

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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.