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Finding the Fourth Proportional to 18,674.42, 28,016.42 and 6,197.94

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Solution

The fourth proportional to 18,674.42, 28,016.42 and 6,197.94 is: 9,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.42 : 28,016.42 = 6,197.94 : x
  2. Step 2: Convert to fraction form
    18,674.42/28,016.42 = 6,197.94/x
  3. Step 3: Cross multiply
    18,674.42x = 28,016.42 × 6,197.94
  4. Step 4: Simplify right side
    18,674.42x = 173,644,090.17
  5. Step 5: Solve for x
    x = 173,644,090.17/18,674.42
  6. Step 6: Final answer
    x = 9,298.50

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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.