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Finding the Fourth Proportional to 26,827.52, 37,013.42 and 15,495.52

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Solution

The fourth proportional to 26,827.52, 37,013.42 and 15,495.52 is: 21,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.52 : 37,013.42 = 15,495.52 : x
  2. Step 2: Convert to fraction form
    26,827.52/37,013.42 = 15,495.52/x
  3. Step 3: Cross multiply
    26,827.52x = 37,013.42 × 15,495.52
  4. Step 4: Simplify right side
    26,827.52x = 573,542,189.88
  5. Step 5: Solve for x
    x = 573,542,189.88/26,827.52
  6. Step 6: Final answer
    x = 21,378.87

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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.