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Finding the Fourth Proportional to 69,607.90, 104,411.40 and 25,224.31

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Solution

The fourth proportional to 69,607.90, 104,411.40 and 25,224.31 is: 37,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607.90 : 104,411.40 = 25,224.31 : x
  2. Step 2: Convert to fraction form
    69,607.90/104,411.40 = 25,224.31/x
  3. Step 3: Cross multiply
    69,607.90x = 104,411.40 × 25,224.31
  4. Step 4: Simplify right side
    69,607.90x = 2,633,705,521.13
  5. Step 5: Solve for x
    x = 2,633,705,521.13/69,607.90
  6. Step 6: Final answer
    x = 37,836.30

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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.