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Finding the Fourth Proportional to 3,542.42, 5,313.02 and 944.75

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Solution

The fourth proportional to 3,542.42, 5,313.02 and 944.75 is: 1,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.42 : 5,313.02 = 944.75 : x
  2. Step 2: Convert to fraction form
    3,542.42/5,313.02 = 944.75/x
  3. Step 3: Cross multiply
    3,542.42x = 5,313.02 × 944.75
  4. Step 4: Simplify right side
    3,542.42x = 5,019,475.65
  5. Step 5: Solve for x
    x = 5,019,475.65/3,542.42
  6. Step 6: Final answer
    x = 1,416.96

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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.