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Finding the Fourth Proportional to 7,079.94, 10,603.76 and 3,384.81

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Solution

The fourth proportional to 7,079.94, 10,603.76 and 3,384.81 is: 5,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.94 : 10,603.76 = 3,384.81 : x
  2. Step 2: Convert to fraction form
    7,079.94/10,603.76 = 3,384.81/x
  3. Step 3: Cross multiply
    7,079.94x = 10,603.76 × 3,384.81
  4. Step 4: Simplify right side
    7,079.94x = 35,891,695.96
  5. Step 5: Solve for x
    x = 35,891,695.96/7,079.94
  6. Step 6: Final answer
    x = 5,069.49

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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.