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Finding the Fourth Proportional to 62,815.80, 86,693.18 and 37,322.37

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Solution

The fourth proportional to 62,815.80, 86,693.18 and 37,322.37 is: 51,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.80 : 86,693.18 = 37,322.37 : x
  2. Step 2: Convert to fraction form
    62,815.80/86,693.18 = 37,322.37/x
  3. Step 3: Cross multiply
    62,815.80x = 86,693.18 × 37,322.37
  4. Step 4: Simplify right side
    62,815.80x = 3,235,594,940.44
  5. Step 5: Solve for x
    x = 3,235,594,940.44/62,815.80
  6. Step 6: Final answer
    x = 51,509.25

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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.