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Finding the Fourth Proportional to 6,355.21, 8,769.55 and 3,666.67

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Solution

The fourth proportional to 6,355.21, 8,769.55 and 3,666.67 is: 5,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.21 : 8,769.55 = 3,666.67 : x
  2. Step 2: Convert to fraction form
    6,355.21/8,769.55 = 3,666.67/x
  3. Step 3: Cross multiply
    6,355.21x = 8,769.55 × 3,666.67
  4. Step 4: Simplify right side
    6,355.21x = 32,154,983.72
  5. Step 5: Solve for x
    x = 32,154,983.72/6,355.21
  6. Step 6: Final answer
    x = 5,059.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.