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Finding the Fourth Proportional to 2,993.84, 4,490.24 and 802.06

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Solution

The fourth proportional to 2,993.84, 4,490.24 and 802.06 is: 1,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.84 : 4,490.24 = 802.06 : x
  2. Step 2: Convert to fraction form
    2,993.84/4,490.24 = 802.06/x
  3. Step 3: Cross multiply
    2,993.84x = 4,490.24 × 802.06
  4. Step 4: Simplify right side
    2,993.84x = 3,601,441.89
  5. Step 5: Solve for x
    x = 3,601,441.89/2,993.84
  6. Step 6: Final answer
    x = 1,202.95

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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.