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Finding the Fourth Proportional to 3,952.07, 5,923.56 and 1,485.32

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Solution

The fourth proportional to 3,952.07, 5,923.56 and 1,485.32 is: 2,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.07 : 5,923.56 = 1,485.32 : x
  2. Step 2: Convert to fraction form
    3,952.07/5,923.56 = 1,485.32/x
  3. Step 3: Cross multiply
    3,952.07x = 5,923.56 × 1,485.32
  4. Step 4: Simplify right side
    3,952.07x = 8,798,378.88
  5. Step 5: Solve for x
    x = 8,798,378.88/3,952.07
  6. Step 6: Final answer
    x = 2,226.27

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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.