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Finding the Fourth Proportional to 8,953.56, 13,429.13 and 2,628.27

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Solution

The fourth proportional to 8,953.56, 13,429.13 and 2,628.27 is: 3,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.56 : 13,429.13 = 2,628.27 : x
  2. Step 2: Convert to fraction form
    8,953.56/13,429.13 = 2,628.27/x
  3. Step 3: Cross multiply
    8,953.56x = 13,429.13 × 2,628.27
  4. Step 4: Simplify right side
    8,953.56x = 35,295,366.36
  5. Step 5: Solve for x
    x = 35,295,366.36/8,953.56
  6. Step 6: Final answer
    x = 3,942.05

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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.