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Finding the Fourth Proportional to 18,602.53, 27,907.88 and 6,122.05

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Solution

The fourth proportional to 18,602.53, 27,907.88 and 6,122.05 is: 9,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.53 : 27,907.88 = 6,122.05 : x
  2. Step 2: Convert to fraction form
    18,602.53/27,907.88 = 6,122.05/x
  3. Step 3: Cross multiply
    18,602.53x = 27,907.88 × 6,122.05
  4. Step 4: Simplify right side
    18,602.53x = 170,853,336.37
  5. Step 5: Solve for x
    x = 170,853,336.37/18,602.53
  6. Step 6: Final answer
    x = 9,184.42

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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.