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Finding the Fourth Proportional to 2,052.38, 3,078.54 and 591.53

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Solution

The fourth proportional to 2,052.38, 3,078.54 and 591.53 is: 887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.38 : 3,078.54 = 591.53 : x
  2. Step 2: Convert to fraction form
    2,052.38/3,078.54 = 591.53/x
  3. Step 3: Cross multiply
    2,052.38x = 3,078.54 × 591.53
  4. Step 4: Simplify right side
    2,052.38x = 1,821,048.77
  5. Step 5: Solve for x
    x = 1,821,048.77/2,052.38
  6. Step 6: Final answer
    x = 887.29

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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.