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Finding the Fourth Proportional to 4,933.90, 7,365.70 and 4,760.90

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Solution

The fourth proportional to 4,933.90, 7,365.70 and 4,760.90 is: 7,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.90 : 7,365.70 = 4,760.90 : x
  2. Step 2: Convert to fraction form
    4,933.90/7,365.70 = 4,760.90/x
  3. Step 3: Cross multiply
    4,933.90x = 7,365.70 × 4,760.90
  4. Step 4: Simplify right side
    4,933.90x = 35,067,361.13
  5. Step 5: Solve for x
    x = 35,067,361.13/4,933.90
  6. Step 6: Final answer
    x = 7,107.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.