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Finding the Fourth Proportional to 2,529.88, 3,793.86 and 1,435

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Solution

The fourth proportional to 2,529.88, 3,793.86 and 1,435 is: 2,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.88 : 3,793.86 = 1,435 : x
  2. Step 2: Convert to fraction form
    2,529.88/3,793.86 = 1,435/x
  3. Step 3: Cross multiply
    2,529.88x = 3,793.86 × 1,435
  4. Step 4: Simplify right side
    2,529.88x = 5,444,189.10
  5. Step 5: Solve for x
    x = 5,444,189.10/2,529.88
  6. Step 6: Final answer
    x = 2,151.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.