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Finding the Fourth Proportional to 2,116.03, 2,920.13 and 1,184.53

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Solution

The fourth proportional to 2,116.03, 2,920.13 and 1,184.53 is: 1,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.03 : 2,920.13 = 1,184.53 : x
  2. Step 2: Convert to fraction form
    2,116.03/2,920.13 = 1,184.53/x
  3. Step 3: Cross multiply
    2,116.03x = 2,920.13 × 1,184.53
  4. Step 4: Simplify right side
    2,116.03x = 3,458,981.59
  5. Step 5: Solve for x
    x = 3,458,981.59/2,116.03
  6. Step 6: Final answer
    x = 1,634.66

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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.