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Finding the Fourth Proportional to 62,977.43, 86,908.95 and 34,297.16

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Solution

The fourth proportional to 62,977.43, 86,908.95 and 34,297.16 is: 47,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.43 : 86,908.95 = 34,297.16 : x
  2. Step 2: Convert to fraction form
    62,977.43/86,908.95 = 34,297.16/x
  3. Step 3: Cross multiply
    62,977.43x = 86,908.95 × 34,297.16
  4. Step 4: Simplify right side
    62,977.43x = 2,980,729,729.04
  5. Step 5: Solve for x
    x = 2,980,729,729.04/62,977.43
  6. Step 6: Final answer
    x = 47,330.12

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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.