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Finding the Fourth Proportional to 14,652.05, 20,219.87 and 7,937.64

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Solution

The fourth proportional to 14,652.05, 20,219.87 and 7,937.64 is: 10,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.05 : 20,219.87 = 7,937.64 : x
  2. Step 2: Convert to fraction form
    14,652.05/20,219.87 = 7,937.64/x
  3. Step 3: Cross multiply
    14,652.05x = 20,219.87 × 7,937.64
  4. Step 4: Simplify right side
    14,652.05x = 160,498,009.22
  5. Step 5: Solve for x
    x = 160,498,009.22/14,652.05
  6. Step 6: Final answer
    x = 10,953.97

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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.