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Finding the Fourth Proportional to 2,963.30, 4,440.90 and 1,973.30

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Solution

The fourth proportional to 2,963.30, 4,440.90 and 1,973.30 is: 2,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.30 : 4,440.90 = 1,973.30 : x
  2. Step 2: Convert to fraction form
    2,963.30/4,440.90 = 1,973.30/x
  3. Step 3: Cross multiply
    2,963.30x = 4,440.90 × 1,973.30
  4. Step 4: Simplify right side
    2,963.30x = 8,763,227.97
  5. Step 5: Solve for x
    x = 8,763,227.97/2,963.30
  6. Step 6: Final answer
    x = 2,957.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.