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Finding the Fourth Proportional to 12,059.94, 18,094.80 and 5,489.22

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Solution

The fourth proportional to 12,059.94, 18,094.80 and 5,489.22 is: 8,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.94 : 18,094.80 = 5,489.22 : x
  2. Step 2: Convert to fraction form
    12,059.94/18,094.80 = 5,489.22/x
  3. Step 3: Cross multiply
    12,059.94x = 18,094.80 × 5,489.22
  4. Step 4: Simplify right side
    12,059.94x = 99,326,338.06
  5. Step 5: Solve for x
    x = 99,326,338.06/12,059.94
  6. Step 6: Final answer
    x = 8,236.06

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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.