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Finding the Fourth Proportional to 17,185.52, 25,726.40 and 15,542.84

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Solution

The fourth proportional to 17,185.52, 25,726.40 and 15,542.84 is: 23,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,185.52 : 25,726.40 = 15,542.84 : x
  2. Step 2: Convert to fraction form
    17,185.52/25,726.40 = 15,542.84/x
  3. Step 3: Cross multiply
    17,185.52x = 25,726.40 × 15,542.84
  4. Step 4: Simplify right side
    17,185.52x = 399,861,318.98
  5. Step 5: Solve for x
    x = 399,861,318.98/17,185.52
  6. Step 6: Final answer
    x = 23,267.34

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1.5x scale

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.