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Finding the Fourth Proportional to 68,127.93, 93,977.69 and 40,896.77

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Solution

The fourth proportional to 68,127.93, 93,977.69 and 40,896.77 is: 56,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.93 : 93,977.69 = 40,896.77 : x
  2. Step 2: Convert to fraction form
    68,127.93/93,977.69 = 40,896.77/x
  3. Step 3: Cross multiply
    68,127.93x = 93,977.69 × 40,896.77
  4. Step 4: Simplify right side
    68,127.93x = 3,843,383,298.69
  5. Step 5: Solve for x
    x = 3,843,383,298.69/68,127.93
  6. Step 6: Final answer
    x = 56,414.21

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1.5x scale

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.