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Finding the Fourth Proportional to 2,037.68, 3,056.13 and 576.78

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Solution

The fourth proportional to 2,037.68, 3,056.13 and 576.78 is: 865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.68 : 3,056.13 = 576.78 : x
  2. Step 2: Convert to fraction form
    2,037.68/3,056.13 = 576.78/x
  3. Step 3: Cross multiply
    2,037.68x = 3,056.13 × 576.78
  4. Step 4: Simplify right side
    2,037.68x = 1,762,714.66
  5. Step 5: Solve for x
    x = 1,762,714.66/2,037.68
  6. Step 6: Final answer
    x = 865.06

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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.