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Finding the Fourth Proportional to 1,037.24, 1,554.58 and 481.62

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Solution

The fourth proportional to 1,037.24, 1,554.58 and 481.62 is: 721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.24 : 1,554.58 = 481.62 : x
  2. Step 2: Convert to fraction form
    1,037.24/1,554.58 = 481.62/x
  3. Step 3: Cross multiply
    1,037.24x = 1,554.58 × 481.62
  4. Step 4: Simplify right side
    1,037.24x = 748,714.41
  5. Step 5: Solve for x
    x = 748,714.41/1,037.24
  6. Step 6: Final answer
    x = 721.83

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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.