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Finding the Fourth Proportional to 3,582.33, 5,373.84 and 1,391.23

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Solution

The fourth proportional to 3,582.33, 5,373.84 and 1,391.23 is: 2,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.33 : 5,373.84 = 1,391.23 : x
  2. Step 2: Convert to fraction form
    3,582.33/5,373.84 = 1,391.23/x
  3. Step 3: Cross multiply
    3,582.33x = 5,373.84 × 1,391.23
  4. Step 4: Simplify right side
    3,582.33x = 7,476,232.51
  5. Step 5: Solve for x
    x = 7,476,232.51/3,582.33
  6. Step 6: Final answer
    x = 2,086.98

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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.