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Finding the Fourth Proportional to 11,248.30, 15,523.59 and 6,212.98

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Solution

The fourth proportional to 11,248.30, 15,523.59 and 6,212.98 is: 8,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.30 : 15,523.59 = 6,212.98 : x
  2. Step 2: Convert to fraction form
    11,248.30/15,523.59 = 6,212.98/x
  3. Step 3: Cross multiply
    11,248.30x = 15,523.59 × 6,212.98
  4. Step 4: Simplify right side
    11,248.30x = 96,447,754.20
  5. Step 5: Solve for x
    x = 96,447,754.20/11,248.30
  6. Step 6: Final answer
    x = 8,574.43

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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.