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Finding the Fourth Proportional to 5,973.68, 8,243.34 and 3,321.20

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Solution

The fourth proportional to 5,973.68, 8,243.34 and 3,321.20 is: 4,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.68 : 8,243.34 = 3,321.20 : x
  2. Step 2: Convert to fraction form
    5,973.68/8,243.34 = 3,321.20/x
  3. Step 3: Cross multiply
    5,973.68x = 8,243.34 × 3,321.20
  4. Step 4: Simplify right side
    5,973.68x = 27,377,780.81
  5. Step 5: Solve for x
    x = 27,377,780.81/5,973.68
  6. Step 6: Final answer
    x = 4,583.07

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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.