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Finding the Fourth Proportional to 4,958.16, 7,436.03 and 1,448.16

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Solution

The fourth proportional to 4,958.16, 7,436.03 and 1,448.16 is: 2,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.16 : 7,436.03 = 1,448.16 : x
  2. Step 2: Convert to fraction form
    4,958.16/7,436.03 = 1,448.16/x
  3. Step 3: Cross multiply
    4,958.16x = 7,436.03 × 1,448.16
  4. Step 4: Simplify right side
    4,958.16x = 10,768,553.96
  5. Step 5: Solve for x
    x = 10,768,553.96/4,958.16
  6. Step 6: Final answer
    x = 2,171.89

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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.