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Finding the Fourth Proportional to 3,364.81, 5,047.17 and 1,173.53

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Solution

The fourth proportional to 3,364.81, 5,047.17 and 1,173.53 is: 1,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.81 : 5,047.17 = 1,173.53 : x
  2. Step 2: Convert to fraction form
    3,364.81/5,047.17 = 1,173.53/x
  3. Step 3: Cross multiply
    3,364.81x = 5,047.17 × 1,173.53
  4. Step 4: Simplify right side
    3,364.81x = 5,923,005.41
  5. Step 5: Solve for x
    x = 5,923,005.41/3,364.81
  6. Step 6: Final answer
    x = 1,760.28

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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.