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Finding the Fourth Proportional to 1,969.50, 2,953.80 and 737.04

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Solution

The fourth proportional to 1,969.50, 2,953.80 and 737.04 is: 1,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.50 : 2,953.80 = 737.04 : x
  2. Step 2: Convert to fraction form
    1,969.50/2,953.80 = 737.04/x
  3. Step 3: Cross multiply
    1,969.50x = 2,953.80 × 737.04
  4. Step 4: Simplify right side
    1,969.50x = 2,177,068.75
  5. Step 5: Solve for x
    x = 2,177,068.75/1,969.50
  6. Step 6: Final answer
    x = 1,105.39

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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.