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Finding the Fourth Proportional to 62,940.27, 86,857.59 and 34,645.75

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Solution

The fourth proportional to 62,940.27, 86,857.59 and 34,645.75 is: 47,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,940.27 : 86,857.59 = 34,645.75 : x
  2. Step 2: Convert to fraction form
    62,940.27/86,857.59 = 34,645.75/x
  3. Step 3: Cross multiply
    62,940.27x = 86,857.59 × 34,645.75
  4. Step 4: Simplify right side
    62,940.27x = 3,009,246,348.74
  5. Step 5: Solve for x
    x = 3,009,246,348.74/62,940.27
  6. Step 6: Final answer
    x = 47,811.14

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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.