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Finding the Fourth Proportional to 2,037.86, 3,056.85 and 576.86

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Solution

The fourth proportional to 2,037.86, 3,056.85 and 576.86 is: 865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.86 : 3,056.85 = 576.86 : x
  2. Step 2: Convert to fraction form
    2,037.86/3,056.85 = 576.86/x
  3. Step 3: Cross multiply
    2,037.86x = 3,056.85 × 576.86
  4. Step 4: Simplify right side
    2,037.86x = 1,763,374.49
  5. Step 5: Solve for x
    x = 1,763,374.49/2,037.86
  6. Step 6: Final answer
    x = 865.31

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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.