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Finding the Fourth Proportional to 1,775.45, 2,664.36 and 735.44

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Solution

The fourth proportional to 1,775.45, 2,664.36 and 735.44 is: 1,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.45 : 2,664.36 = 735.44 : x
  2. Step 2: Convert to fraction form
    1,775.45/2,664.36 = 735.44/x
  3. Step 3: Cross multiply
    1,775.45x = 2,664.36 × 735.44
  4. Step 4: Simplify right side
    1,775.45x = 1,959,463.60
  5. Step 5: Solve for x
    x = 1,959,463.60/1,775.45
  6. Step 6: Final answer
    x = 1,103.65

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1.5x scale

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.