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Finding the Fourth Proportional to 6,695.78, 10,043.46 and 1,765.44

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Solution

The fourth proportional to 6,695.78, 10,043.46 and 1,765.44 is: 2,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.78 : 10,043.46 = 1,765.44 : x
  2. Step 2: Convert to fraction form
    6,695.78/10,043.46 = 1,765.44/x
  3. Step 3: Cross multiply
    6,695.78x = 10,043.46 × 1,765.44
  4. Step 4: Simplify right side
    6,695.78x = 17,731,126.02
  5. Step 5: Solve for x
    x = 17,731,126.02/6,695.78
  6. Step 6: Final answer
    x = 2,648.11

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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.