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Finding the Fourth Proportional to 69,689.87, 96,171.48 and 37,859.00

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Solution

The fourth proportional to 69,689.87, 96,171.48 and 37,859.00 is: 52,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,689.87 : 96,171.48 = 37,859.00 : x
  2. Step 2: Convert to fraction form
    69,689.87/96,171.48 = 37,859.00/x
  3. Step 3: Cross multiply
    69,689.87x = 96,171.48 × 37,859.00
  4. Step 4: Simplify right side
    69,689.87x = 3,640,955,580.46
  5. Step 5: Solve for x
    x = 3,640,955,580.46/69,689.87
  6. Step 6: Final answer
    x = 52,245.12

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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.