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Finding the Fourth Proportional to 1,611.48, 2,223.48 and 1,052.04

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Solution

The fourth proportional to 1,611.48, 2,223.48 and 1,052.04 is: 1,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.48 : 2,223.48 = 1,052.04 : x
  2. Step 2: Convert to fraction form
    1,611.48/2,223.48 = 1,052.04/x
  3. Step 3: Cross multiply
    1,611.48x = 2,223.48 × 1,052.04
  4. Step 4: Simplify right side
    1,611.48x = 2,339,189.90
  5. Step 5: Solve for x
    x = 2,339,189.90/1,611.48
  6. Step 6: Final answer
    x = 1,451.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.