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Finding the Fourth Proportional to 69,391.08, 104,103.18 and 22,644

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Solution

The fourth proportional to 69,391.08, 104,103.18 and 22,644 is: 33,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,391.08 : 104,103.18 = 22,644 : x
  2. Step 2: Convert to fraction form
    69,391.08/104,103.18 = 22,644/x
  3. Step 3: Cross multiply
    69,391.08x = 104,103.18 × 22,644
  4. Step 4: Simplify right side
    69,391.08x = 2,357,312,407.92
  5. Step 5: Solve for x
    x = 2,357,312,407.92/69,391.08
  6. Step 6: Final answer
    x = 33,971.40

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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.