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Finding the Fourth Proportional to 8,525.68, 12,786.36 and 3,595.28

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Solution

The fourth proportional to 8,525.68, 12,786.36 and 3,595.28 is: 5,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.68 : 12,786.36 = 3,595.28 : x
  2. Step 2: Convert to fraction form
    8,525.68/12,786.36 = 3,595.28/x
  3. Step 3: Cross multiply
    8,525.68x = 12,786.36 × 3,595.28
  4. Step 4: Simplify right side
    8,525.68x = 45,970,544.38
  5. Step 5: Solve for x
    x = 45,970,544.38/8,525.68
  6. Step 6: Final answer
    x = 5,392.01

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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.