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Finding the Fourth Proportional to 62,798.92, 86,660.85 and 34,504.66

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Solution

The fourth proportional to 62,798.92, 86,660.85 and 34,504.66 is: 47,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,798.92 : 86,660.85 = 34,504.66 : x
  2. Step 2: Convert to fraction form
    62,798.92/86,660.85 = 34,504.66/x
  3. Step 3: Cross multiply
    62,798.92x = 86,660.85 × 34,504.66
  4. Step 4: Simplify right side
    62,798.92x = 2,990,203,164.56
  5. Step 5: Solve for x
    x = 2,990,203,164.56/62,798.92
  6. Step 6: Final answer
    x = 47,615.52

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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.