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Finding the Fourth Proportional to 3,158.49, 4,737.78 and 967.26

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Solution

The fourth proportional to 3,158.49, 4,737.78 and 967.26 is: 1,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.49 : 4,737.78 = 967.26 : x
  2. Step 2: Convert to fraction form
    3,158.49/4,737.78 = 967.26/x
  3. Step 3: Cross multiply
    3,158.49x = 4,737.78 × 967.26
  4. Step 4: Simplify right side
    3,158.49x = 4,582,665.08
  5. Step 5: Solve for x
    x = 4,582,665.08/3,158.49
  6. Step 6: Final answer
    x = 1,450.90

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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.