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Finding the Fourth Proportional to 44,070, 66,105 and 11,238

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Solution

The fourth proportional to 44,070, 66,105 and 11,238 is: 16,857

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,070 : 66,105 = 11,238 : x
  2. Step 2: Convert to fraction form
    44,070/66,105 = 11,238/x
  3. Step 3: Cross multiply
    44,070x = 66,105 × 11,238
  4. Step 4: Simplify right side
    44,070x = 742,887,990
  5. Step 5: Solve for x
    x = 742,887,990/44,070
  6. Step 6: Final answer
    x = 16,857

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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.