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Finding the Fourth Proportional to 2,773.02, 4,162.59 and 2,762.74

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Solution

The fourth proportional to 2,773.02, 4,162.59 and 2,762.74 is: 4,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.02 : 4,162.59 = 2,762.74 : x
  2. Step 2: Convert to fraction form
    2,773.02/4,162.59 = 2,762.74/x
  3. Step 3: Cross multiply
    2,773.02x = 4,162.59 × 2,762.74
  4. Step 4: Simplify right side
    2,773.02x = 11,500,159.10
  5. Step 5: Solve for x
    x = 11,500,159.10/2,773.02
  6. Step 6: Final answer
    x = 4,147.15

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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.