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Finding the Fourth Proportional to 3,133.53, 4,700.43 and 1,755.65

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Solution

The fourth proportional to 3,133.53, 4,700.43 and 1,755.65 is: 2,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.53 : 4,700.43 = 1,755.65 : x
  2. Step 2: Convert to fraction form
    3,133.53/4,700.43 = 1,755.65/x
  3. Step 3: Cross multiply
    3,133.53x = 4,700.43 × 1,755.65
  4. Step 4: Simplify right side
    3,133.53x = 8,252,277.65
  5. Step 5: Solve for x
    x = 8,252,277.65/3,133.53
  6. Step 6: Final answer
    x = 2,633.54

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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.