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Finding the Fourth Proportional to 3,158.68, 4,738.56 and 967.18

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Solution

The fourth proportional to 3,158.68, 4,738.56 and 967.18 is: 1,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.68 : 4,738.56 = 967.18 : x
  2. Step 2: Convert to fraction form
    3,158.68/4,738.56 = 967.18/x
  3. Step 3: Cross multiply
    3,158.68x = 4,738.56 × 967.18
  4. Step 4: Simplify right side
    3,158.68x = 4,583,040.46
  5. Step 5: Solve for x
    x = 4,583,040.46/3,158.68
  6. Step 6: Final answer
    x = 1,450.94

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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.