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Finding the Fourth Proportional to 62,993.40, 86,935.80 and 34,704.16

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Solution

The fourth proportional to 62,993.40, 86,935.80 and 34,704.16 is: 47,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.40 : 86,935.80 = 34,704.16 : x
  2. Step 2: Convert to fraction form
    62,993.40/86,935.80 = 34,704.16/x
  3. Step 3: Cross multiply
    62,993.40x = 86,935.80 × 34,704.16
  4. Step 4: Simplify right side
    62,993.40x = 3,017,033,912.93
  5. Step 5: Solve for x
    x = 3,017,033,912.93/62,993.40
  6. Step 6: Final answer
    x = 47,894.44

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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.