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Finding the Fourth Proportional to 9,241.56, 12,765.60 and 8,060.58

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Solution

The fourth proportional to 9,241.56, 12,765.60 and 8,060.58 is: 11,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.56 : 12,765.60 = 8,060.58 : x
  2. Step 2: Convert to fraction form
    9,241.56/12,765.60 = 8,060.58/x
  3. Step 3: Cross multiply
    9,241.56x = 12,765.60 × 8,060.58
  4. Step 4: Simplify right side
    9,241.56x = 102,898,140.05
  5. Step 5: Solve for x
    x = 102,898,140.05/9,241.56
  6. Step 6: Final answer
    x = 11,134.28

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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.