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Finding the Fourth Proportional to 18,674.19, 28,014.93 and 6,197.94

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Solution

The fourth proportional to 18,674.19, 28,014.93 and 6,197.94 is: 9,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.19 : 28,014.93 = 6,197.94 : x
  2. Step 2: Convert to fraction form
    18,674.19/28,014.93 = 6,197.94/x
  3. Step 3: Cross multiply
    18,674.19x = 28,014.93 × 6,197.94
  4. Step 4: Simplify right side
    18,674.19x = 173,634,855.24
  5. Step 5: Solve for x
    x = 173,634,855.24/18,674.19
  6. Step 6: Final answer
    x = 9,298.12

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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.