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Finding the Fourth Proportional to 62,290.50, 85,963.26 and 35,435.46

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Solution

The fourth proportional to 62,290.50, 85,963.26 and 35,435.46 is: 48,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.50 : 85,963.26 = 35,435.46 : x
  2. Step 2: Convert to fraction form
    62,290.50/85,963.26 = 35,435.46/x
  3. Step 3: Cross multiply
    62,290.50x = 85,963.26 × 35,435.46
  4. Step 4: Simplify right side
    62,290.50x = 3,046,147,661.20
  5. Step 5: Solve for x
    x = 3,046,147,661.20/62,290.50
  6. Step 6: Final answer
    x = 48,902.28

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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.