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Finding the Fourth Proportional to 44,506.78, 66,771.09 and 13,342

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Solution

The fourth proportional to 44,506.78, 66,771.09 and 13,342 is: 20,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,506.78 : 66,771.09 = 13,342 : x
  2. Step 2: Convert to fraction form
    44,506.78/66,771.09 = 13,342/x
  3. Step 3: Cross multiply
    44,506.78x = 66,771.09 × 13,342
  4. Step 4: Simplify right side
    44,506.78x = 890,859,882.78
  5. Step 5: Solve for x
    x = 890,859,882.78/44,506.78
  6. Step 6: Final answer
    x = 20,016.27

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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.