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Finding the Fourth Proportional to 3,064.72, 4,597.25 and 984.56

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Solution

The fourth proportional to 3,064.72, 4,597.25 and 984.56 is: 1,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.72 : 4,597.25 = 984.56 : x
  2. Step 2: Convert to fraction form
    3,064.72/4,597.25 = 984.56/x
  3. Step 3: Cross multiply
    3,064.72x = 4,597.25 × 984.56
  4. Step 4: Simplify right side
    3,064.72x = 4,526,289.19
  5. Step 5: Solve for x
    x = 4,526,289.19/3,064.72
  6. Step 6: Final answer
    x = 1,476.90

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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.