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Finding the Fourth Proportional to 69,388.70, 104,085.02 and 22,004.01

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Solution

The fourth proportional to 69,388.70, 104,085.02 and 22,004.01 is: 33,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.70 : 104,085.02 = 22,004.01 : x
  2. Step 2: Convert to fraction form
    69,388.70/104,085.02 = 22,004.01/x
  3. Step 3: Cross multiply
    69,388.70x = 104,085.02 × 22,004.01
  4. Step 4: Simplify right side
    69,388.70x = 2,290,287,875.94
  5. Step 5: Solve for x
    x = 2,290,287,875.94/69,388.70
  6. Step 6: Final answer
    x = 33,006.64

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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.