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Finding the Fourth Proportional to 2,455.81, 3,682.98 and 700.69

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Solution

The fourth proportional to 2,455.81, 3,682.98 and 700.69 is: 1,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.81 : 3,682.98 = 700.69 : x
  2. Step 2: Convert to fraction form
    2,455.81/3,682.98 = 700.69/x
  3. Step 3: Cross multiply
    2,455.81x = 3,682.98 × 700.69
  4. Step 4: Simplify right side
    2,455.81x = 2,580,631.86
  5. Step 5: Solve for x
    x = 2,580,631.86/2,455.81
  6. Step 6: Final answer
    x = 1,050.83

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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.