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Finding the Fourth Proportional to 2,061.82, 2,845.32 and 1,117.63

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Solution

The fourth proportional to 2,061.82, 2,845.32 and 1,117.63 is: 1,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.82 : 2,845.32 = 1,117.63 : x
  2. Step 2: Convert to fraction form
    2,061.82/2,845.32 = 1,117.63/x
  3. Step 3: Cross multiply
    2,061.82x = 2,845.32 × 1,117.63
  4. Step 4: Simplify right side
    2,061.82x = 3,180,014.99
  5. Step 5: Solve for x
    x = 3,180,014.99/2,061.82
  6. Step 6: Final answer
    x = 1,542.33

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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.