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Finding the Fourth Proportional to 3,814.77, 5,722.74 and 1,624.08

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Solution

The fourth proportional to 3,814.77, 5,722.74 and 1,624.08 is: 2,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.77 : 5,722.74 = 1,624.08 : x
  2. Step 2: Convert to fraction form
    3,814.77/5,722.74 = 1,624.08/x
  3. Step 3: Cross multiply
    3,814.77x = 5,722.74 × 1,624.08
  4. Step 4: Simplify right side
    3,814.77x = 9,294,187.58
  5. Step 5: Solve for x
    x = 9,294,187.58/3,814.77
  6. Step 6: Final answer
    x = 2,436.37

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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.