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Finding the Fourth Proportional to 5,411.67, 8,117.69 and 2,333.67

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Solution

The fourth proportional to 5,411.67, 8,117.69 and 2,333.67 is: 3,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.67 : 8,117.69 = 2,333.67 : x
  2. Step 2: Convert to fraction form
    5,411.67/8,117.69 = 2,333.67/x
  3. Step 3: Cross multiply
    5,411.67x = 8,117.69 × 2,333.67
  4. Step 4: Simplify right side
    5,411.67x = 18,943,997.95
  5. Step 5: Solve for x
    x = 18,943,997.95/5,411.67
  6. Step 6: Final answer
    x = 3,500.58

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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.