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Finding the Fourth Proportional to 7,079.64, 9,769.11 and 4,095.03

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Solution

The fourth proportional to 7,079.64, 9,769.11 and 4,095.03 is: 5,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.64 : 9,769.11 = 4,095.03 : x
  2. Step 2: Convert to fraction form
    7,079.64/9,769.11 = 4,095.03/x
  3. Step 3: Cross multiply
    7,079.64x = 9,769.11 × 4,095.03
  4. Step 4: Simplify right side
    7,079.64x = 40,004,798.52
  5. Step 5: Solve for x
    x = 40,004,798.52/7,079.64
  6. Step 6: Final answer
    x = 5,650.68

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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.