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Finding the Fourth Proportional to 2,062.79, 2,846.63 and 1,118.58

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Solution

The fourth proportional to 2,062.79, 2,846.63 and 1,118.58 is: 1,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.79 : 2,846.63 = 1,118.58 : x
  2. Step 2: Convert to fraction form
    2,062.79/2,846.63 = 1,118.58/x
  3. Step 3: Cross multiply
    2,062.79x = 2,846.63 × 1,118.58
  4. Step 4: Simplify right side
    2,062.79x = 3,184,183.39
  5. Step 5: Solve for x
    x = 3,184,183.39/2,062.79
  6. Step 6: Final answer
    x = 1,543.63

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