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Finding the Fourth Proportional to 3,092.72, 4,266.88 and 1,765.46

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Solution

The fourth proportional to 3,092.72, 4,266.88 and 1,765.46 is: 2,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.72 : 4,266.88 = 1,765.46 : x
  2. Step 2: Convert to fraction form
    3,092.72/4,266.88 = 1,765.46/x
  3. Step 3: Cross multiply
    3,092.72x = 4,266.88 × 1,765.46
  4. Step 4: Simplify right side
    3,092.72x = 7,533,005.96
  5. Step 5: Solve for x
    x = 7,533,005.96/3,092.72
  6. Step 6: Final answer
    x = 2,435.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.