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Finding the Fourth Proportional to 3,391.04, 5,087.01 and 1,051.23

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Solution

The fourth proportional to 3,391.04, 5,087.01 and 1,051.23 is: 1,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.04 : 5,087.01 = 1,051.23 : x
  2. Step 2: Convert to fraction form
    3,391.04/5,087.01 = 1,051.23/x
  3. Step 3: Cross multiply
    3,391.04x = 5,087.01 × 1,051.23
  4. Step 4: Simplify right side
    3,391.04x = 5,347,617.52
  5. Step 5: Solve for x
    x = 5,347,617.52/3,391.04
  6. Step 6: Final answer
    x = 1,576.99

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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.