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Finding the Fourth Proportional to 3,993,059.04, 5,989,583.52 and 960,423.36

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Solution

The fourth proportional to 3,993,059.04, 5,989,583.52 and 960,423.36 is: 1,440,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,059.04 : 5,989,583.52 = 960,423.36 : x
  2. Step 2: Convert to fraction form
    3,993,059.04/5,989,583.52 = 960,423.36/x
  3. Step 3: Cross multiply
    3,993,059.04x = 5,989,583.52 × 960,423.36
  4. Step 4: Simplify right side
    3,993,059.04x = 5,752,535,929,279.03
  5. Step 5: Solve for x
    x = 5,752,535,929,279.03/3,993,059.04
  6. Step 6: Final answer
    x = 1,440,633.83

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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.