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Finding the Fourth Proportional to 5,992.56, 9,021.20 and 5,389.77

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Solution

The fourth proportional to 5,992.56, 9,021.20 and 5,389.77 is: 8,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.56 : 9,021.20 = 5,389.77 : x
  2. Step 2: Convert to fraction form
    5,992.56/9,021.20 = 5,389.77/x
  3. Step 3: Cross multiply
    5,992.56x = 9,021.20 × 5,389.77
  4. Step 4: Simplify right side
    5,992.56x = 48,622,193.12
  5. Step 5: Solve for x
    x = 48,622,193.12/5,992.56
  6. Step 6: Final answer
    x = 8,113.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.