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Finding the Fourth Proportional to 68,185.46, 94,095.92 and 39,896.63

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Solution

The fourth proportional to 68,185.46, 94,095.92 and 39,896.63 is: 55,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,185.46 : 94,095.92 = 39,896.63 : x
  2. Step 2: Convert to fraction form
    68,185.46/94,095.92 = 39,896.63/x
  3. Step 3: Cross multiply
    68,185.46x = 94,095.92 × 39,896.63
  4. Step 4: Simplify right side
    68,185.46x = 3,754,109,905.27
  5. Step 5: Solve for x
    x = 3,754,109,905.27/68,185.46
  6. Step 6: Final answer
    x = 55,057.34

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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.