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Finding the Fourth Proportional to 69,561.28, 95,995.02 and 37,731.52

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Solution

The fourth proportional to 69,561.28, 95,995.02 and 37,731.52 is: 52,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561.28 : 95,995.02 = 37,731.52 : x
  2. Step 2: Convert to fraction form
    69,561.28/95,995.02 = 37,731.52/x
  3. Step 3: Cross multiply
    69,561.28x = 95,995.02 × 37,731.52
  4. Step 4: Simplify right side
    69,561.28x = 3,622,038,017.03
  5. Step 5: Solve for x
    x = 3,622,038,017.03/69,561.28
  6. Step 6: Final answer
    x = 52,069.74

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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.