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Finding the Fourth Proportional to 69,808.87, 104,651.01 and 25,404.58

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Solution

The fourth proportional to 69,808.87, 104,651.01 and 25,404.58 is: 38,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808.87 : 104,651.01 = 25,404.58 : x
  2. Step 2: Convert to fraction form
    69,808.87/104,651.01 = 25,404.58/x
  3. Step 3: Cross multiply
    69,808.87x = 104,651.01 × 25,404.58
  4. Step 4: Simplify right side
    69,808.87x = 2,658,614,955.63
  5. Step 5: Solve for x
    x = 2,658,614,955.63/69,808.87
  6. Step 6: Final answer
    x = 38,084.20

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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.