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Finding the Fourth Proportional to 18,794.52, 28,189.08 and 4,943.52

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Solution

The fourth proportional to 18,794.52, 28,189.08 and 4,943.52 is: 7,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.52 : 28,189.08 = 4,943.52 : x
  2. Step 2: Convert to fraction form
    18,794.52/28,189.08 = 4,943.52/x
  3. Step 3: Cross multiply
    18,794.52x = 28,189.08 × 4,943.52
  4. Step 4: Simplify right side
    18,794.52x = 139,353,280.76
  5. Step 5: Solve for x
    x = 139,353,280.76/18,794.52
  6. Step 6: Final answer
    x = 7,414.57

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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.