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Finding the Fourth Proportional to 66,104.34, 91,223.82 and 35,889.41

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Solution

The fourth proportional to 66,104.34, 91,223.82 and 35,889.41 is: 49,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104.34 : 91,223.82 = 35,889.41 : x
  2. Step 2: Convert to fraction form
    66,104.34/91,223.82 = 35,889.41/x
  3. Step 3: Cross multiply
    66,104.34x = 91,223.82 × 35,889.41
  4. Step 4: Simplify right side
    66,104.34x = 3,273,968,621.63
  5. Step 5: Solve for x
    x = 3,273,968,621.63/66,104.34
  6. Step 6: Final answer
    x = 49,527.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.