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Finding the Fourth Proportional to 44,013.90, 66,040.29 and 17,769.90

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Solution

The fourth proportional to 44,013.90, 66,040.29 and 17,769.90 is: 26,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,013.90 : 66,040.29 = 17,769.90 : x
  2. Step 2: Convert to fraction form
    44,013.90/66,040.29 = 17,769.90/x
  3. Step 3: Cross multiply
    44,013.90x = 66,040.29 × 17,769.90
  4. Step 4: Simplify right side
    44,013.90x = 1,173,529,349.27
  5. Step 5: Solve for x
    x = 1,173,529,349.27/44,013.90
  6. Step 6: Final answer
    x = 26,662.70

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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.