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Finding the Fourth Proportional to 11,310.06, 15,607.78 and 6,274.29

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Solution

The fourth proportional to 11,310.06, 15,607.78 and 6,274.29 is: 8,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.06 : 15,607.78 = 6,274.29 : x
  2. Step 2: Convert to fraction form
    11,310.06/15,607.78 = 6,274.29/x
  3. Step 3: Cross multiply
    11,310.06x = 15,607.78 × 6,274.29
  4. Step 4: Simplify right side
    11,310.06x = 97,927,737.98
  5. Step 5: Solve for x
    x = 97,927,737.98/11,310.06
  6. Step 6: Final answer
    x = 8,658.46

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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.