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Finding the Fourth Proportional to 4,797.34, 7,186.79 and 2,943.05

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Solution

The fourth proportional to 4,797.34, 7,186.79 and 2,943.05 is: 4,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.34 : 7,186.79 = 2,943.05 : x
  2. Step 2: Convert to fraction form
    4,797.34/7,186.79 = 2,943.05/x
  3. Step 3: Cross multiply
    4,797.34x = 7,186.79 × 2,943.05
  4. Step 4: Simplify right side
    4,797.34x = 21,151,082.31
  5. Step 5: Solve for x
    x = 21,151,082.31/4,797.34
  6. Step 6: Final answer
    x = 4,408.92

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1.5x scale

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.