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Finding the Fourth Proportional to 4,669.88, 7,004.94 and 1,383.02

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Solution

The fourth proportional to 4,669.88, 7,004.94 and 1,383.02 is: 2,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.88 : 7,004.94 = 1,383.02 : x
  2. Step 2: Convert to fraction form
    4,669.88/7,004.94 = 1,383.02/x
  3. Step 3: Cross multiply
    4,669.88x = 7,004.94 × 1,383.02
  4. Step 4: Simplify right side
    4,669.88x = 9,687,972.12
  5. Step 5: Solve for x
    x = 9,687,972.12/4,669.88
  6. Step 6: Final answer
    x = 2,074.57

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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.