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Finding the Fourth Proportional to 62,902.63, 86,807.28 and 34,224.09

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Solution

The fourth proportional to 62,902.63, 86,807.28 and 34,224.09 is: 47,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,902.63 : 86,807.28 = 34,224.09 : x
  2. Step 2: Convert to fraction form
    62,902.63/86,807.28 = 34,224.09/x
  3. Step 3: Cross multiply
    62,902.63x = 86,807.28 × 34,224.09
  4. Step 4: Simplify right side
    62,902.63x = 2,970,900,163.38
  5. Step 5: Solve for x
    x = 2,970,900,163.38/62,902.63
  6. Step 6: Final answer
    x = 47,230.14

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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.