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Finding the Fourth Proportional to 1,224.65, 1,832.83 and 1,019.59

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Solution

The fourth proportional to 1,224.65, 1,832.83 and 1,019.59 is: 1,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.65 : 1,832.83 = 1,019.59 : x
  2. Step 2: Convert to fraction form
    1,224.65/1,832.83 = 1,019.59/x
  3. Step 3: Cross multiply
    1,224.65x = 1,832.83 × 1,019.59
  4. Step 4: Simplify right side
    1,224.65x = 1,868,728.01
  5. Step 5: Solve for x
    x = 1,868,728.01/1,224.65
  6. Step 6: Final answer
    x = 1,525.93

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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.