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Finding the Fourth Proportional to 2,041.56, 3,060.93 and 742.86

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Solution

The fourth proportional to 2,041.56, 3,060.93 and 742.86 is: 1,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.56 : 3,060.93 = 742.86 : x
  2. Step 2: Convert to fraction form
    2,041.56/3,060.93 = 742.86/x
  3. Step 3: Cross multiply
    2,041.56x = 3,060.93 × 742.86
  4. Step 4: Simplify right side
    2,041.56x = 2,273,842.46
  5. Step 5: Solve for x
    x = 2,273,842.46/2,041.56
  6. Step 6: Final answer
    x = 1,113.78

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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.