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Finding the Fourth Proportional to 62,795.04, 86,652.36 and 37,639.68

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Solution

The fourth proportional to 62,795.04, 86,652.36 and 37,639.68 is: 51,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,795.04 : 86,652.36 = 37,639.68 : x
  2. Step 2: Convert to fraction form
    62,795.04/86,652.36 = 37,639.68/x
  3. Step 3: Cross multiply
    62,795.04x = 86,652.36 × 37,639.68
  4. Step 4: Simplify right side
    62,795.04x = 3,261,567,101.64
  5. Step 5: Solve for x
    x = 3,261,567,101.64/62,795.04
  6. Step 6: Final answer
    x = 51,939.88

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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.