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Finding the Fourth Proportional to 2,052.54, 3,078.72 and 591.75

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Solution

The fourth proportional to 2,052.54, 3,078.72 and 591.75 is: 887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.54 : 3,078.72 = 591.75 : x
  2. Step 2: Convert to fraction form
    2,052.54/3,078.72 = 591.75/x
  3. Step 3: Cross multiply
    2,052.54x = 3,078.72 × 591.75
  4. Step 4: Simplify right side
    2,052.54x = 1,821,832.56
  5. Step 5: Solve for x
    x = 1,821,832.56/2,052.54
  6. Step 6: Final answer
    x = 887.60

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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.