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Finding the Fourth Proportional to 1,968.10, 2,952.05 and 735.41

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Solution

The fourth proportional to 1,968.10, 2,952.05 and 735.41 is: 1,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.10 : 2,952.05 = 735.41 : x
  2. Step 2: Convert to fraction form
    1,968.10/2,952.05 = 735.41/x
  3. Step 3: Cross multiply
    1,968.10x = 2,952.05 × 735.41
  4. Step 4: Simplify right side
    1,968.10x = 2,170,970.79
  5. Step 5: Solve for x
    x = 2,170,970.79/1,968.10
  6. Step 6: Final answer
    x = 1,103.08

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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.