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Finding the Fourth Proportional to 5,972.32, 8,242 and 3,319.84

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Solution

The fourth proportional to 5,972.32, 8,242 and 3,319.84 is: 4,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.32 : 8,242 = 3,319.84 : x
  2. Step 2: Convert to fraction form
    5,972.32/8,242 = 3,319.84/x
  3. Step 3: Cross multiply
    5,972.32x = 8,242 × 3,319.84
  4. Step 4: Simplify right side
    5,972.32x = 27,362,121.28
  5. Step 5: Solve for x
    x = 27,362,121.28/5,972.32
  6. Step 6: Final answer
    x = 4,581.49

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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.