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Finding the Fourth Proportional to 62,977.34, 86,908.80 and 34,297.04

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Solution

The fourth proportional to 62,977.34, 86,908.80 and 34,297.04 is: 47,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.34 : 86,908.80 = 34,297.04 : x
  2. Step 2: Convert to fraction form
    62,977.34/86,908.80 = 34,297.04/x
  3. Step 3: Cross multiply
    62,977.34x = 86,908.80 × 34,297.04
  4. Step 4: Simplify right side
    62,977.34x = 2,980,714,589.95
  5. Step 5: Solve for x
    x = 2,980,714,589.95/62,977.34
  6. Step 6: Final answer
    x = 47,329.95

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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.