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Finding the Fourth Proportional to 49,857.66, 68,769.32 and 29,699.01

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Solution

The fourth proportional to 49,857.66, 68,769.32 and 29,699.01 is: 40,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.66 : 68,769.32 = 29,699.01 : x
  2. Step 2: Convert to fraction form
    49,857.66/68,769.32 = 29,699.01/x
  3. Step 3: Cross multiply
    49,857.66x = 68,769.32 × 29,699.01
  4. Step 4: Simplify right side
    49,857.66x = 2,042,380,573.88
  5. Step 5: Solve for x
    x = 2,042,380,573.88/49,857.66
  6. Step 6: Final answer
    x = 40,964.23

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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.