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Finding the Fourth Proportional to 62,576.96, 86,343.26 and 35,728.20

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Solution

The fourth proportional to 62,576.96, 86,343.26 and 35,728.20 is: 49,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,576.96 : 86,343.26 = 35,728.20 : x
  2. Step 2: Convert to fraction form
    62,576.96/86,343.26 = 35,728.20/x
  3. Step 3: Cross multiply
    62,576.96x = 86,343.26 × 35,728.20
  4. Step 4: Simplify right side
    62,576.96x = 3,084,889,083.29
  5. Step 5: Solve for x
    x = 3,084,889,083.29/62,576.96
  6. Step 6: Final answer
    x = 49,297.53

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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.