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Finding the Fourth Proportional to 1,223.29, 1,835.24 and 1,004.29

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Solution

The fourth proportional to 1,223.29, 1,835.24 and 1,004.29 is: 1,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.29 : 1,835.24 = 1,004.29 : x
  2. Step 2: Convert to fraction form
    1,223.29/1,835.24 = 1,004.29/x
  3. Step 3: Cross multiply
    1,223.29x = 1,835.24 × 1,004.29
  4. Step 4: Simplify right side
    1,223.29x = 1,843,113.18
  5. Step 5: Solve for x
    x = 1,843,113.18/1,223.29
  6. Step 6: Final answer
    x = 1,506.69

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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.