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Finding the Fourth Proportional to 62,902.99, 86,807.73 and 34,224.31

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Solution

The fourth proportional to 62,902.99, 86,807.73 and 34,224.31 is: 47,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,902.99 : 86,807.73 = 34,224.31 : x
  2. Step 2: Convert to fraction form
    62,902.99/86,807.73 = 34,224.31/x
  3. Step 3: Cross multiply
    62,902.99x = 86,807.73 × 34,224.31
  4. Step 4: Simplify right side
    62,902.99x = 2,970,934,661.92
  5. Step 5: Solve for x
    x = 2,970,934,661.92/62,902.99
  6. Step 6: Final answer
    x = 47,230.42

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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.