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Finding the Fourth Proportional to 2,914.02, 4,368.78 and 965.16

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Solution

The fourth proportional to 2,914.02, 4,368.78 and 965.16 is: 1,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.02 : 4,368.78 = 965.16 : x
  2. Step 2: Convert to fraction form
    2,914.02/4,368.78 = 965.16/x
  3. Step 3: Cross multiply
    2,914.02x = 4,368.78 × 965.16
  4. Step 4: Simplify right side
    2,914.02x = 4,216,571.70
  5. Step 5: Solve for x
    x = 4,216,571.70/2,914.02
  6. Step 6: Final answer
    x = 1,446.99

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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.