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Finding the Fourth Proportional to 44,337.97, 66,518.10 and 12,748.09

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Solution

The fourth proportional to 44,337.97, 66,518.10 and 12,748.09 is: 19,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,337.97 : 66,518.10 = 12,748.09 : x
  2. Step 2: Convert to fraction form
    44,337.97/66,518.10 = 12,748.09/x
  3. Step 3: Cross multiply
    44,337.97x = 66,518.10 × 12,748.09
  4. Step 4: Simplify right side
    44,337.97x = 847,978,661.69
  5. Step 5: Solve for x
    x = 847,978,661.69/44,337.97
  6. Step 6: Final answer
    x = 19,125.34

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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.