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Finding the Fourth Proportional to 3,039.00, 4,559.10 and 959.32

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Solution

The fourth proportional to 3,039.00, 4,559.10 and 959.32 is: 1,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.00 : 4,559.10 = 959.32 : x
  2. Step 2: Convert to fraction form
    3,039.00/4,559.10 = 959.32/x
  3. Step 3: Cross multiply
    3,039.00x = 4,559.10 × 959.32
  4. Step 4: Simplify right side
    3,039.00x = 4,373,635.81
  5. Step 5: Solve for x
    x = 4,373,635.81/3,039.00
  6. Step 6: Final answer
    x = 1,439.17

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Why These Related Problems?

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