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Finding the Fourth Proportional to 62,768.86, 86,620.63 and 37,618.36

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Solution

The fourth proportional to 62,768.86, 86,620.63 and 37,618.36 is: 51,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768.86 : 86,620.63 = 37,618.36 : x
  2. Step 2: Convert to fraction form
    62,768.86/86,620.63 = 37,618.36/x
  3. Step 3: Cross multiply
    62,768.86x = 86,620.63 × 37,618.36
  4. Step 4: Simplify right side
    62,768.86x = 3,258,525,515.62
  5. Step 5: Solve for x
    x = 3,258,525,515.62/62,768.86
  6. Step 6: Final answer
    x = 51,913.09

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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.