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Finding the Fourth Proportional to 2,321.64, 3,494.93 and 2,083.50

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Solution

The fourth proportional to 2,321.64, 3,494.93 and 2,083.50 is: 3,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.64 : 3,494.93 = 2,083.50 : x
  2. Step 2: Convert to fraction form
    2,321.64/3,494.93 = 2,083.50/x
  3. Step 3: Cross multiply
    2,321.64x = 3,494.93 × 2,083.50
  4. Step 4: Simplify right side
    2,321.64x = 7,281,676.24
  5. Step 5: Solve for x
    x = 7,281,676.24/2,321.64
  6. Step 6: Final answer
    x = 3,136.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.