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Finding the Fourth Proportional to 3,079.56, 4,619.22 and 888.24

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Solution

The fourth proportional to 3,079.56, 4,619.22 and 888.24 is: 1,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.56 : 4,619.22 = 888.24 : x
  2. Step 2: Convert to fraction form
    3,079.56/4,619.22 = 888.24/x
  3. Step 3: Cross multiply
    3,079.56x = 4,619.22 × 888.24
  4. Step 4: Simplify right side
    3,079.56x = 4,102,975.97
  5. Step 5: Solve for x
    x = 4,102,975.97/3,079.56
  6. Step 6: Final answer
    x = 1,332.33

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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.