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Finding the Fourth Proportional to 9,798.45, 13,521.11 and 6,021.56

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Solution

The fourth proportional to 9,798.45, 13,521.11 and 6,021.56 is: 8,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.45 : 13,521.11 = 6,021.56 : x
  2. Step 2: Convert to fraction form
    9,798.45/13,521.11 = 6,021.56/x
  3. Step 3: Cross multiply
    9,798.45x = 13,521.11 × 6,021.56
  4. Step 4: Simplify right side
    9,798.45x = 81,418,077.42
  5. Step 5: Solve for x
    x = 81,418,077.42/9,798.45
  6. Step 6: Final answer
    x = 8,309.28

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