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Finding the Fourth Proportional to 6,904.20, 10,336.05 and 6,191.67

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Solution

The fourth proportional to 6,904.20, 10,336.05 and 6,191.67 is: 9,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.20 : 10,336.05 = 6,191.67 : x
  2. Step 2: Convert to fraction form
    6,904.20/10,336.05 = 6,191.67/x
  3. Step 3: Cross multiply
    6,904.20x = 10,336.05 × 6,191.67
  4. Step 4: Simplify right side
    6,904.20x = 63,997,410.70
  5. Step 5: Solve for x
    x = 63,997,410.70/6,904.20
  6. Step 6: Final answer
    x = 9,269.34

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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.