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Finding the Fourth Proportional to 4,759.00, 7,138.50 and 1,472.02

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Solution

The fourth proportional to 4,759.00, 7,138.50 and 1,472.02 is: 2,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.00 : 7,138.50 = 1,472.02 : x
  2. Step 2: Convert to fraction form
    4,759.00/7,138.50 = 1,472.02/x
  3. Step 3: Cross multiply
    4,759.00x = 7,138.50 × 1,472.02
  4. Step 4: Simplify right side
    4,759.00x = 10,507,991.40
  5. Step 5: Solve for x
    x = 10,507,991.40/4,759.00
  6. Step 6: Final answer
    x = 2,208.03

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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.