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Finding the Fourth Proportional to 5,973.60, 8,243.42 and 3,320.84

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Solution

The fourth proportional to 5,973.60, 8,243.42 and 3,320.84 is: 4,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.60 : 8,243.42 = 3,320.84 : x
  2. Step 2: Convert to fraction form
    5,973.60/8,243.42 = 3,320.84/x
  3. Step 3: Cross multiply
    5,973.60x = 8,243.42 × 3,320.84
  4. Step 4: Simplify right side
    5,973.60x = 27,375,078.87
  5. Step 5: Solve for x
    x = 27,375,078.87/5,973.60
  6. Step 6: Final answer
    x = 4,582.68

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1.5x scale

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.