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Finding the Fourth Proportional to 4,905.03, 7,361.71 and 2,133.93

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Solution

The fourth proportional to 4,905.03, 7,361.71 and 2,133.93 is: 3,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.03 : 7,361.71 = 2,133.93 : x
  2. Step 2: Convert to fraction form
    4,905.03/7,361.71 = 2,133.93/x
  3. Step 3: Cross multiply
    4,905.03x = 7,361.71 × 2,133.93
  4. Step 4: Simplify right side
    4,905.03x = 15,709,368.49
  5. Step 5: Solve for x
    x = 15,709,368.49/4,905.03
  6. Step 6: Final answer
    x = 3,202.71

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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.