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Finding the Fourth Proportional to 1,102.99, 1,653.74 and 582.44

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Solution

The fourth proportional to 1,102.99, 1,653.74 and 582.44 is: 873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.99 : 1,653.74 = 582.44 : x
  2. Step 2: Convert to fraction form
    1,102.99/1,653.74 = 582.44/x
  3. Step 3: Cross multiply
    1,102.99x = 1,653.74 × 582.44
  4. Step 4: Simplify right side
    1,102.99x = 963,201.41
  5. Step 5: Solve for x
    x = 963,201.41/1,102.99
  6. Step 6: Final answer
    x = 873.27

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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.