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Finding the Fourth Proportional to 2,083.32, 3,124.98 and 544.32

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Solution

The fourth proportional to 2,083.32, 3,124.98 and 544.32 is: 816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.32 : 3,124.98 = 544.32 : x
  2. Step 2: Convert to fraction form
    2,083.32/3,124.98 = 544.32/x
  3. Step 3: Cross multiply
    2,083.32x = 3,124.98 × 544.32
  4. Step 4: Simplify right side
    2,083.32x = 1,700,989.11
  5. Step 5: Solve for x
    x = 1,700,989.11/2,083.32
  6. Step 6: Final answer
    x = 816.48

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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.