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Finding the Fourth Proportional to 1,766.47, 2,649.72 and 467.94

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Solution

The fourth proportional to 1,766.47, 2,649.72 and 467.94 is: 701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.47 : 2,649.72 = 467.94 : x
  2. Step 2: Convert to fraction form
    1,766.47/2,649.72 = 467.94/x
  3. Step 3: Cross multiply
    1,766.47x = 2,649.72 × 467.94
  4. Step 4: Simplify right side
    1,766.47x = 1,239,911.73
  5. Step 5: Solve for x
    x = 1,239,911.73/1,766.47
  6. Step 6: Final answer
    x = 701.91

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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.