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Finding the Fourth Proportional to 1,224.08, 1,834.92 and 1,116.08

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Solution

The fourth proportional to 1,224.08, 1,834.92 and 1,116.08 is: 1,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.08 : 1,834.92 = 1,116.08 : x
  2. Step 2: Convert to fraction form
    1,224.08/1,834.92 = 1,116.08/x
  3. Step 3: Cross multiply
    1,224.08x = 1,834.92 × 1,116.08
  4. Step 4: Simplify right side
    1,224.08x = 2,047,917.51
  5. Step 5: Solve for x
    x = 2,047,917.51/1,224.08
  6. Step 6: Final answer
    x = 1,673.03

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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.