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Finding the Fourth Proportional to 69,617, 104,425.34 and 25,243.66

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Solution

The fourth proportional to 69,617, 104,425.34 and 25,243.66 is: 37,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617 : 104,425.34 = 25,243.66 : x
  2. Step 2: Convert to fraction form
    69,617/104,425.34 = 25,243.66/x
  3. Step 3: Cross multiply
    69,617x = 104,425.34 × 25,243.66
  4. Step 4: Simplify right side
    69,617x = 2,636,077,778.34
  5. Step 5: Solve for x
    x = 2,636,077,778.34/69,617
  6. Step 6: Final answer
    x = 37,865.43

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1.5x scale

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.