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Finding the Fourth Proportional to 44,699.31, 67,048.96 and 11,419.44

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Solution

The fourth proportional to 44,699.31, 67,048.96 and 11,419.44 is: 17,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,699.31 : 67,048.96 = 11,419.44 : x
  2. Step 2: Convert to fraction form
    44,699.31/67,048.96 = 11,419.44/x
  3. Step 3: Cross multiply
    44,699.31x = 67,048.96 × 11,419.44
  4. Step 4: Simplify right side
    44,699.31x = 765,661,575.78
  5. Step 5: Solve for x
    x = 765,661,575.78/44,699.31
  6. Step 6: Final answer
    x = 17,129.16

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1.5x scale

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.