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Finding the Fourth Proportional to 69,267.69, 95,594.31 and 39,055.80

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Solution

The fourth proportional to 69,267.69, 95,594.31 and 39,055.80 is: 53,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,267.69 : 95,594.31 = 39,055.80 : x
  2. Step 2: Convert to fraction form
    69,267.69/95,594.31 = 39,055.80/x
  3. Step 3: Cross multiply
    69,267.69x = 95,594.31 × 39,055.80
  4. Step 4: Simplify right side
    69,267.69x = 3,733,512,252.50
  5. Step 5: Solve for x
    x = 3,733,512,252.50/69,267.69
  6. Step 6: Final answer
    x = 53,899.77

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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.