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Finding the Fourth Proportional to 44,208.62, 66,314.76 and 13,043.88

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Solution

The fourth proportional to 44,208.62, 66,314.76 and 13,043.88 is: 19,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,208.62 : 66,314.76 = 13,043.88 : x
  2. Step 2: Convert to fraction form
    44,208.62/66,314.76 = 13,043.88/x
  3. Step 3: Cross multiply
    44,208.62x = 66,314.76 × 13,043.88
  4. Step 4: Simplify right side
    44,208.62x = 865,001,771.67
  5. Step 5: Solve for x
    x = 865,001,771.67/44,208.62
  6. Step 6: Final answer
    x = 19,566.36

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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.