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Finding the Fourth Proportional to 69,643.88, 104,507.34 and 25,274.10

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Solution

The fourth proportional to 69,643.88, 104,507.34 and 25,274.10 is: 37,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.88 : 104,507.34 = 25,274.10 : x
  2. Step 2: Convert to fraction form
    69,643.88/104,507.34 = 25,274.10/x
  3. Step 3: Cross multiply
    69,643.88x = 104,507.34 × 25,274.10
  4. Step 4: Simplify right side
    69,643.88x = 2,641,328,961.89
  5. Step 5: Solve for x
    x = 2,641,328,961.89/69,643.88
  6. Step 6: Final answer
    x = 37,926.22

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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.