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Finding the Fourth Proportional to 62,902.74, 86,804.54 and 34,608.90

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Solution

The fourth proportional to 62,902.74, 86,804.54 and 34,608.90 is: 47,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,902.74 : 86,804.54 = 34,608.90 : x
  2. Step 2: Convert to fraction form
    62,902.74/86,804.54 = 34,608.90/x
  3. Step 3: Cross multiply
    62,902.74x = 86,804.54 × 34,608.90
  4. Step 4: Simplify right side
    62,902.74x = 3,004,209,644.41
  5. Step 5: Solve for x
    x = 3,004,209,644.41/62,902.74
  6. Step 6: Final answer
    x = 47,759.60

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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.