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Finding the Fourth Proportional to 2,047.86, 2,826.06 and 1,116.36

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Solution

The fourth proportional to 2,047.86, 2,826.06 and 1,116.36 is: 1,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.86 : 2,826.06 = 1,116.36 : x
  2. Step 2: Convert to fraction form
    2,047.86/2,826.06 = 1,116.36/x
  3. Step 3: Cross multiply
    2,047.86x = 2,826.06 × 1,116.36
  4. Step 4: Simplify right side
    2,047.86x = 3,154,900.34
  5. Step 5: Solve for x
    x = 3,154,900.34/2,047.86
  6. Step 6: Final answer
    x = 1,540.58

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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.