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Finding the Fourth Proportional to 12,063.37, 18,080.43 and 5,482.93

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Solution

The fourth proportional to 12,063.37, 18,080.43 and 5,482.93 is: 8,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.37 : 18,080.43 = 5,482.93 : x
  2. Step 2: Convert to fraction form
    12,063.37/18,080.43 = 5,482.93/x
  3. Step 3: Cross multiply
    12,063.37x = 18,080.43 × 5,482.93
  4. Step 4: Simplify right side
    12,063.37x = 99,133,732.06
  5. Step 5: Solve for x
    x = 99,133,732.06/12,063.37
  6. Step 6: Final answer
    x = 8,217.75

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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.