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Finding the Fourth Proportional to 8,673.85, 13,014.81 and 2,751.67

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Solution

The fourth proportional to 8,673.85, 13,014.81 and 2,751.67 is: 4,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.85 : 13,014.81 = 2,751.67 : x
  2. Step 2: Convert to fraction form
    8,673.85/13,014.81 = 2,751.67/x
  3. Step 3: Cross multiply
    8,673.85x = 13,014.81 × 2,751.67
  4. Step 4: Simplify right side
    8,673.85x = 35,812,462.23
  5. Step 5: Solve for x
    x = 35,812,462.23/8,673.85
  6. Step 6: Final answer
    x = 4,128.79

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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.