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Finding the Fourth Proportional to 2,891.81, 4,337.73 and 700.54

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Solution

The fourth proportional to 2,891.81, 4,337.73 and 700.54 is: 1,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.81 : 4,337.73 = 700.54 : x
  2. Step 2: Convert to fraction form
    2,891.81/4,337.73 = 700.54/x
  3. Step 3: Cross multiply
    2,891.81x = 4,337.73 × 700.54
  4. Step 4: Simplify right side
    2,891.81x = 3,038,753.37
  5. Step 5: Solve for x
    x = 3,038,753.37/2,891.81
  6. Step 6: Final answer
    x = 1,050.81

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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.