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Finding the Fourth Proportional to 2,957.02, 4,435.67 and 982.82

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Solution

The fourth proportional to 2,957.02, 4,435.67 and 982.82 is: 1,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.02 : 4,435.67 = 982.82 : x
  2. Step 2: Convert to fraction form
    2,957.02/4,435.67 = 982.82/x
  3. Step 3: Cross multiply
    2,957.02x = 4,435.67 × 982.82
  4. Step 4: Simplify right side
    2,957.02x = 4,359,478.74
  5. Step 5: Solve for x
    x = 4,359,478.74/2,957.02
  6. Step 6: Final answer
    x = 1,474.28

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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.