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Finding the Fourth Proportional to 44,067, 66,100.50 and 11,235

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Solution

The fourth proportional to 44,067, 66,100.50 and 11,235 is: 16,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,067 : 66,100.50 = 11,235 : x
  2. Step 2: Convert to fraction form
    44,067/66,100.50 = 11,235/x
  3. Step 3: Cross multiply
    44,067x = 66,100.50 × 11,235
  4. Step 4: Simplify right side
    44,067x = 742,639,117.50
  5. Step 5: Solve for x
    x = 742,639,117.50/44,067
  6. Step 6: Final answer
    x = 16,852.50

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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.