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Finding the Fourth Proportional to 4,708.89, 7,061.85 and 2,629.89

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Solution

The fourth proportional to 4,708.89, 7,061.85 and 2,629.89 is: 3,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.89 : 7,061.85 = 2,629.89 : x
  2. Step 2: Convert to fraction form
    4,708.89/7,061.85 = 2,629.89/x
  3. Step 3: Cross multiply
    4,708.89x = 7,061.85 × 2,629.89
  4. Step 4: Simplify right side
    4,708.89x = 18,571,888.70
  5. Step 5: Solve for x
    x = 18,571,888.70/4,708.89
  6. Step 6: Final answer
    x = 3,944.01

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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.