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Finding the Fourth Proportional to 69,362.40, 104,005.20 and 22,591.20

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Solution

The fourth proportional to 69,362.40, 104,005.20 and 22,591.20 is: 33,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.40 : 104,005.20 = 22,591.20 : x
  2. Step 2: Convert to fraction form
    69,362.40/104,005.20 = 22,591.20/x
  3. Step 3: Cross multiply
    69,362.40x = 104,005.20 × 22,591.20
  4. Step 4: Simplify right side
    69,362.40x = 2,349,602,274.24
  5. Step 5: Solve for x
    x = 2,349,602,274.24/69,362.40
  6. Step 6: Final answer
    x = 33,874.29

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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.