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Finding the Fourth Proportional to 2,784.76, 3,841.18 and 1,945.15

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Solution

The fourth proportional to 2,784.76, 3,841.18 and 1,945.15 is: 2,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.76 : 3,841.18 = 1,945.15 : x
  2. Step 2: Convert to fraction form
    2,784.76/3,841.18 = 1,945.15/x
  3. Step 3: Cross multiply
    2,784.76x = 3,841.18 × 1,945.15
  4. Step 4: Simplify right side
    2,784.76x = 7,471,656.81
  5. Step 5: Solve for x
    x = 7,471,656.81/2,784.76
  6. Step 6: Final answer
    x = 2,683.05

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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.