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Finding the Fourth Proportional to 2,038.82, 3,056.54 and 651.29

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Solution

The fourth proportional to 2,038.82, 3,056.54 and 651.29 is: 976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.82 : 3,056.54 = 651.29 : x
  2. Step 2: Convert to fraction form
    2,038.82/3,056.54 = 651.29/x
  3. Step 3: Cross multiply
    2,038.82x = 3,056.54 × 651.29
  4. Step 4: Simplify right side
    2,038.82x = 1,990,680.28
  5. Step 5: Solve for x
    x = 1,990,680.28/2,038.82
  6. Step 6: Final answer
    x = 976.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.