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Finding the Fourth Proportional to 57,955.28, 86,932.92 and 37,310

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Solution

The fourth proportional to 57,955.28, 86,932.92 and 37,310 is: 55,965

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,955.28 : 86,932.92 = 37,310 : x
  2. Step 2: Convert to fraction form
    57,955.28/86,932.92 = 37,310/x
  3. Step 3: Cross multiply
    57,955.28x = 86,932.92 × 37,310
  4. Step 4: Simplify right side
    57,955.28x = 3,243,467,245.20
  5. Step 5: Solve for x
    x = 3,243,467,245.20/57,955.28
  6. Step 6: Final answer
    x = 55,965

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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.