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Finding the Fourth Proportional to 3,773.07, 5,660.42 and 1,140.77

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Solution

The fourth proportional to 3,773.07, 5,660.42 and 1,140.77 is: 1,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.07 : 5,660.42 = 1,140.77 : x
  2. Step 2: Convert to fraction form
    3,773.07/5,660.42 = 1,140.77/x
  3. Step 3: Cross multiply
    3,773.07x = 5,660.42 × 1,140.77
  4. Step 4: Simplify right side
    3,773.07x = 6,457,245.77
  5. Step 5: Solve for x
    x = 6,457,245.77/3,773.07
  6. Step 6: Final answer
    x = 1,711.40

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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.