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Finding the Fourth Proportional to 1,842.00, 2,758.61 and 1,059.64

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Solution

The fourth proportional to 1,842.00, 2,758.61 and 1,059.64 is: 1,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.00 : 2,758.61 = 1,059.64 : x
  2. Step 2: Convert to fraction form
    1,842.00/2,758.61 = 1,059.64/x
  3. Step 3: Cross multiply
    1,842.00x = 2,758.61 × 1,059.64
  4. Step 4: Simplify right side
    1,842.00x = 2,923,131.05
  5. Step 5: Solve for x
    x = 2,923,131.05/1,842.00
  6. Step 6: Final answer
    x = 1,586.93

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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.