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Finding the Fourth Proportional to 2,052.35, 3,078.65 and 591.51

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Solution

The fourth proportional to 2,052.35, 3,078.65 and 591.51 is: 887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.35 : 3,078.65 = 591.51 : x
  2. Step 2: Convert to fraction form
    2,052.35/3,078.65 = 591.51/x
  3. Step 3: Cross multiply
    2,052.35x = 3,078.65 × 591.51
  4. Step 4: Simplify right side
    2,052.35x = 1,821,052.26
  5. Step 5: Solve for x
    x = 1,821,052.26/2,052.35
  6. Step 6: Final answer
    x = 887.30

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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.