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Finding the Fourth Proportional to 69,260.88, 95,574.30 and 39,053.64

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Solution

The fourth proportional to 69,260.88, 95,574.30 and 39,053.64 is: 53,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.88 : 95,574.30 = 39,053.64 : x
  2. Step 2: Convert to fraction form
    69,260.88/95,574.30 = 39,053.64/x
  3. Step 3: Cross multiply
    69,260.88x = 95,574.30 × 39,053.64
  4. Step 4: Simplify right side
    69,260.88x = 3,732,524,305.45
  5. Step 5: Solve for x
    x = 3,732,524,305.45/69,260.88
  6. Step 6: Final answer
    x = 53,890.80

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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.