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Finding the Fourth Proportional to 69,644.52, 104,468.04 and 17,054.40

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Solution

The fourth proportional to 69,644.52, 104,468.04 and 17,054.40 is: 25,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,644.52 : 104,468.04 = 17,054.40 : x
  2. Step 2: Convert to fraction form
    69,644.52/104,468.04 = 17,054.40/x
  3. Step 3: Cross multiply
    69,644.52x = 104,468.04 × 17,054.40
  4. Step 4: Simplify right side
    69,644.52x = 1,781,639,741.38
  5. Step 5: Solve for x
    x = 1,781,639,741.38/69,644.52
  6. Step 6: Final answer
    x = 25,581.91

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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.