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Finding the Fourth Proportional to 12,602.03, 18,907.10 and 8,228.03

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Solution

The fourth proportional to 12,602.03, 18,907.10 and 8,228.03 is: 12,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.03 : 18,907.10 = 8,228.03 : x
  2. Step 2: Convert to fraction form
    12,602.03/18,907.10 = 8,228.03/x
  3. Step 3: Cross multiply
    12,602.03x = 18,907.10 × 8,228.03
  4. Step 4: Simplify right side
    12,602.03x = 155,568,186.01
  5. Step 5: Solve for x
    x = 155,568,186.01/12,602.03
  6. Step 6: Final answer
    x = 12,344.69

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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.