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Finding the Fourth Proportional to 44,647.20, 66,970.80 and 11,367.48

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Solution

The fourth proportional to 44,647.20, 66,970.80 and 11,367.48 is: 17,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,647.20 : 66,970.80 = 11,367.48 : x
  2. Step 2: Convert to fraction form
    44,647.20/66,970.80 = 11,367.48/x
  3. Step 3: Cross multiply
    44,647.20x = 66,970.80 × 11,367.48
  4. Step 4: Simplify right side
    44,647.20x = 761,289,229.58
  5. Step 5: Solve for x
    x = 761,289,229.58/44,647.20
  6. Step 6: Final answer
    x = 17,051.22

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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.