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Finding the Fourth Proportional to 69,710.76, 104,609.07 and 27,583.74

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Solution

The fourth proportional to 69,710.76, 104,609.07 and 27,583.74 is: 41,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.76 : 104,609.07 = 27,583.74 : x
  2. Step 2: Convert to fraction form
    69,710.76/104,609.07 = 27,583.74/x
  3. Step 3: Cross multiply
    69,710.76x = 104,609.07 × 27,583.74
  4. Step 4: Simplify right side
    69,710.76x = 2,885,509,388.52
  5. Step 5: Solve for x
    x = 2,885,509,388.52/69,710.76
  6. Step 6: Final answer
    x = 41,392.60

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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.