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Finding the Fourth Proportional to 62,454.80, 86,190.78 and 36,975.80

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Solution

The fourth proportional to 62,454.80, 86,190.78 and 36,975.80 is: 51,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,454.80 : 86,190.78 = 36,975.80 : x
  2. Step 2: Convert to fraction form
    62,454.80/86,190.78 = 36,975.80/x
  3. Step 3: Cross multiply
    62,454.80x = 86,190.78 × 36,975.80
  4. Step 4: Simplify right side
    62,454.80x = 3,186,973,043.12
  5. Step 5: Solve for x
    x = 3,186,973,043.12/62,454.80
  6. Step 6: Final answer
    x = 51,028.47

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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.