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Finding the Fourth Proportional to 10,969.35, 15,137.55 and 6,253.71

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Solution

The fourth proportional to 10,969.35, 15,137.55 and 6,253.71 is: 8,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.35 : 15,137.55 = 6,253.71 : x
  2. Step 2: Convert to fraction form
    10,969.35/15,137.55 = 6,253.71/x
  3. Step 3: Cross multiply
    10,969.35x = 15,137.55 × 6,253.71
  4. Step 4: Simplify right side
    10,969.35x = 94,665,847.81
  5. Step 5: Solve for x
    x = 94,665,847.81/10,969.35
  6. Step 6: Final answer
    x = 8,630.03

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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.