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Finding the Fourth Proportional to 1,037.84, 1,556.85 and 550.88

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Solution

The fourth proportional to 1,037.84, 1,556.85 and 550.88 is: 826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.84 : 1,556.85 = 550.88 : x
  2. Step 2: Convert to fraction form
    1,037.84/1,556.85 = 550.88/x
  3. Step 3: Cross multiply
    1,037.84x = 1,556.85 × 550.88
  4. Step 4: Simplify right side
    1,037.84x = 857,637.53
  5. Step 5: Solve for x
    x = 857,637.53/1,037.84
  6. Step 6: Final answer
    x = 826.37

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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.