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Finding the Fourth Proportional to 2,083.60, 3,125.52 and 544.64

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Solution

The fourth proportional to 2,083.60, 3,125.52 and 544.64 is: 816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.60 : 3,125.52 = 544.64 : x
  2. Step 2: Convert to fraction form
    2,083.60/3,125.52 = 544.64/x
  3. Step 3: Cross multiply
    2,083.60x = 3,125.52 × 544.64
  4. Step 4: Simplify right side
    2,083.60x = 1,702,283.21
  5. Step 5: Solve for x
    x = 1,702,283.21/2,083.60
  6. Step 6: Final answer
    x = 816.99

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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.