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Finding the Fourth Proportional to 1,224.69, 1,837.50 and 737.46

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Solution

The fourth proportional to 1,224.69, 1,837.50 and 737.46 is: 1,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.69 : 1,837.50 = 737.46 : x
  2. Step 2: Convert to fraction form
    1,224.69/1,837.50 = 737.46/x
  3. Step 3: Cross multiply
    1,224.69x = 1,837.50 × 737.46
  4. Step 4: Simplify right side
    1,224.69x = 1,355,082.75
  5. Step 5: Solve for x
    x = 1,355,082.75/1,224.69
  6. Step 6: Final answer
    x = 1,106.47

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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.