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Finding the Fourth Proportional to 3,216.99, 4,824.24 and 1,368.96

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Solution

The fourth proportional to 3,216.99, 4,824.24 and 1,368.96 is: 2,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.99 : 4,824.24 = 1,368.96 : x
  2. Step 2: Convert to fraction form
    3,216.99/4,824.24 = 1,368.96/x
  3. Step 3: Cross multiply
    3,216.99x = 4,824.24 × 1,368.96
  4. Step 4: Simplify right side
    3,216.99x = 6,604,191.59
  5. Step 5: Solve for x
    x = 6,604,191.59/3,216.99
  6. Step 6: Final answer
    x = 2,052.91

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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.