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Finding the Fourth Proportional to 9,862.03, 14,789.85 and 3,286.67

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Solution

The fourth proportional to 9,862.03, 14,789.85 and 3,286.67 is: 4,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.03 : 14,789.85 = 3,286.67 : x
  2. Step 2: Convert to fraction form
    9,862.03/14,789.85 = 3,286.67/x
  3. Step 3: Cross multiply
    9,862.03x = 14,789.85 × 3,286.67
  4. Step 4: Simplify right side
    9,862.03x = 48,609,356.30
  5. Step 5: Solve for x
    x = 48,609,356.30/9,862.03
  6. Step 6: Final answer
    x = 4,928.94

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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.