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Finding the Fourth Proportional to 60,902.80, 84,046.32 and 34,046.40

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Solution

The fourth proportional to 60,902.80, 84,046.32 and 34,046.40 is: 46,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.80 : 84,046.32 = 34,046.40 : x
  2. Step 2: Convert to fraction form
    60,902.80/84,046.32 = 34,046.40/x
  3. Step 3: Cross multiply
    60,902.80x = 84,046.32 × 34,046.40
  4. Step 4: Simplify right side
    60,902.80x = 2,861,474,629.25
  5. Step 5: Solve for x
    x = 2,861,474,629.25/60,902.80
  6. Step 6: Final answer
    x = 46,984.29

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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.