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Finding the Fourth Proportional to 18,592.52, 27,893.33 and 8,720.28

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Solution

The fourth proportional to 18,592.52, 27,893.33 and 8,720.28 is: 13,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.52 : 27,893.33 = 8,720.28 : x
  2. Step 2: Convert to fraction form
    18,592.52/27,893.33 = 8,720.28/x
  3. Step 3: Cross multiply
    18,592.52x = 27,893.33 × 8,720.28
  4. Step 4: Simplify right side
    18,592.52x = 243,237,604.13
  5. Step 5: Solve for x
    x = 243,237,604.13/18,592.52
  6. Step 6: Final answer
    x = 13,082.56

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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.