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Finding the Fourth Proportional to 4,743.99, 7,116.84 and 1,624.32

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Solution

The fourth proportional to 4,743.99, 7,116.84 and 1,624.32 is: 2,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.99 : 7,116.84 = 1,624.32 : x
  2. Step 2: Convert to fraction form
    4,743.99/7,116.84 = 1,624.32/x
  3. Step 3: Cross multiply
    4,743.99x = 7,116.84 × 1,624.32
  4. Step 4: Simplify right side
    4,743.99x = 11,560,025.55
  5. Step 5: Solve for x
    x = 11,560,025.55/4,743.99
  6. Step 6: Final answer
    x = 2,436.77

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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.