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Finding the Fourth Proportional to 1,733.83, 2,600.75 and 637.61

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Solution

The fourth proportional to 1,733.83, 2,600.75 and 637.61 is: 956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.83 : 2,600.75 = 637.61 : x
  2. Step 2: Convert to fraction form
    1,733.83/2,600.75 = 637.61/x
  3. Step 3: Cross multiply
    1,733.83x = 2,600.75 × 637.61
  4. Step 4: Simplify right side
    1,733.83x = 1,658,252.80
  5. Step 5: Solve for x
    x = 1,658,252.80/1,733.83
  6. Step 6: Final answer
    x = 956.41

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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.