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Finding the Fourth Proportional to 1,723.37, 2,582.73 and 942.20

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Solution

The fourth proportional to 1,723.37, 2,582.73 and 942.20 is: 1,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.37 : 2,582.73 = 942.20 : x
  2. Step 2: Convert to fraction form
    1,723.37/2,582.73 = 942.20/x
  3. Step 3: Cross multiply
    1,723.37x = 2,582.73 × 942.20
  4. Step 4: Simplify right side
    1,723.37x = 2,433,448.21
  5. Step 5: Solve for x
    x = 2,433,448.21/1,723.37
  6. Step 6: Final answer
    x = 1,412.03

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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.