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Finding the Fourth Proportional to 44,647.28, 66,971.28 and 11,367.35

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Solution

The fourth proportional to 44,647.28, 66,971.28 and 11,367.35 is: 17,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,647.28 : 66,971.28 = 11,367.35 : x
  2. Step 2: Convert to fraction form
    44,647.28/66,971.28 = 11,367.35/x
  3. Step 3: Cross multiply
    44,647.28x = 66,971.28 × 11,367.35
  4. Step 4: Simplify right side
    44,647.28x = 761,285,644.85
  5. Step 5: Solve for x
    x = 761,285,644.85/44,647.28
  6. Step 6: Final answer
    x = 17,051.11

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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.