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Finding the Fourth Proportional to 62,514.92, 86,270.64 and 34,220.76

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Solution

The fourth proportional to 62,514.92, 86,270.64 and 34,220.76 is: 47,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,514.92 : 86,270.64 = 34,220.76 : x
  2. Step 2: Convert to fraction form
    62,514.92/86,270.64 = 34,220.76/x
  3. Step 3: Cross multiply
    62,514.92x = 86,270.64 × 34,220.76
  4. Step 4: Simplify right side
    62,514.92x = 2,952,246,866.49
  5. Step 5: Solve for x
    x = 2,952,246,866.49/62,514.92
  6. Step 6: Final answer
    x = 47,224.68

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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.