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Finding the Fourth Proportional to 44,321.55, 66,482.90 and 14,739.39

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Solution

The fourth proportional to 44,321.55, 66,482.90 and 14,739.39 is: 22,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,321.55 : 66,482.90 = 14,739.39 : x
  2. Step 2: Convert to fraction form
    44,321.55/66,482.90 = 14,739.39/x
  3. Step 3: Cross multiply
    44,321.55x = 66,482.90 × 14,739.39
  4. Step 4: Simplify right side
    44,321.55x = 979,917,601.44
  5. Step 5: Solve for x
    x = 979,917,601.44/44,321.55
  6. Step 6: Final answer
    x = 22,109.28

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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.