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Finding the Fourth Proportional to 1,482.56, 2,223.88 and 1,136.52

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Solution

The fourth proportional to 1,482.56, 2,223.88 and 1,136.52 is: 1,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.56 : 2,223.88 = 1,136.52 : x
  2. Step 2: Convert to fraction form
    1,482.56/2,223.88 = 1,136.52/x
  3. Step 3: Cross multiply
    1,482.56x = 2,223.88 × 1,136.52
  4. Step 4: Simplify right side
    1,482.56x = 2,527,481.26
  5. Step 5: Solve for x
    x = 2,527,481.26/1,482.56
  6. Step 6: Final answer
    x = 1,704.81

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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.