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Finding the Fourth Proportional to 1,842.15, 2,762.82 and 1,110.72

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Solution

The fourth proportional to 1,842.15, 2,762.82 and 1,110.72 is: 1,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.15 : 2,762.82 = 1,110.72 : x
  2. Step 2: Convert to fraction form
    1,842.15/2,762.82 = 1,110.72/x
  3. Step 3: Cross multiply
    1,842.15x = 2,762.82 × 1,110.72
  4. Step 4: Simplify right side
    1,842.15x = 3,068,719.43
  5. Step 5: Solve for x
    x = 3,068,719.43/1,842.15
  6. Step 6: Final answer
    x = 1,665.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.