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Finding the Fourth Proportional to 15,092.52, 20,827.39 and 8,377.82

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Solution

The fourth proportional to 15,092.52, 20,827.39 and 8,377.82 is: 11,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,092.52 : 20,827.39 = 8,377.82 : x
  2. Step 2: Convert to fraction form
    15,092.52/20,827.39 = 8,377.82/x
  3. Step 3: Cross multiply
    15,092.52x = 20,827.39 × 8,377.82
  4. Step 4: Simplify right side
    15,092.52x = 174,488,124.49
  5. Step 5: Solve for x
    x = 174,488,124.49/15,092.52
  6. Step 6: Final answer
    x = 11,561.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.