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Finding the Fourth Proportional to 49,896.51, 68,855.46 and 29,743

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Solution

The fourth proportional to 49,896.51, 68,855.46 and 29,743 is: 41,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.51 : 68,855.46 = 29,743 : x
  2. Step 2: Convert to fraction form
    49,896.51/68,855.46 = 29,743/x
  3. Step 3: Cross multiply
    49,896.51x = 68,855.46 × 29,743
  4. Step 4: Simplify right side
    49,896.51x = 2,047,967,946.78
  5. Step 5: Solve for x
    x = 2,047,967,946.78/49,896.51
  6. Step 6: Final answer
    x = 41,044.31

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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.