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Finding the Fourth Proportional to 76,954.59, 115,444.04 and 27,037.53

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Solution

The fourth proportional to 76,954.59, 115,444.04 and 27,037.53 is: 40,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,954.59 : 115,444.04 = 27,037.53 : x
  2. Step 2: Convert to fraction form
    76,954.59/115,444.04 = 27,037.53/x
  3. Step 3: Cross multiply
    76,954.59x = 115,444.04 × 27,037.53
  4. Step 4: Simplify right side
    76,954.59x = 3,121,321,559.63
  5. Step 5: Solve for x
    x = 3,121,321,559.63/76,954.59
  6. Step 6: Final answer
    x = 40,560.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.