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Finding the Fourth Proportional to 13,513.66, 20,233.22 and 6,925.66

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Solution

The fourth proportional to 13,513.66, 20,233.22 and 6,925.66 is: 10,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.66 : 20,233.22 = 6,925.66 : x
  2. Step 2: Convert to fraction form
    13,513.66/20,233.22 = 6,925.66/x
  3. Step 3: Cross multiply
    13,513.66x = 20,233.22 × 6,925.66
  4. Step 4: Simplify right side
    13,513.66x = 140,128,402.43
  5. Step 5: Solve for x
    x = 140,128,402.43/13,513.66
  6. Step 6: Final answer
    x = 10,369.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.