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Finding the Fourth Proportional to 62,993.15, 86,930.78 and 34,698.77

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Solution

The fourth proportional to 62,993.15, 86,930.78 and 34,698.77 is: 47,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.15 : 86,930.78 = 34,698.77 : x
  2. Step 2: Convert to fraction form
    62,993.15/86,930.78 = 34,698.77/x
  3. Step 3: Cross multiply
    62,993.15x = 86,930.78 × 34,698.77
  4. Step 4: Simplify right side
    62,993.15x = 3,016,390,532.99
  5. Step 5: Solve for x
    x = 3,016,390,532.99/62,993.15
  6. Step 6: Final answer
    x = 47,884.43

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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.