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Finding the Fourth Proportional to 7,411.70, 11,090.55 and 5,467.70

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Solution

The fourth proportional to 7,411.70, 11,090.55 and 5,467.70 is: 8,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.70 : 11,090.55 = 5,467.70 : x
  2. Step 2: Convert to fraction form
    7,411.70/11,090.55 = 5,467.70/x
  3. Step 3: Cross multiply
    7,411.70x = 11,090.55 × 5,467.70
  4. Step 4: Simplify right side
    7,411.70x = 60,639,800.24
  5. Step 5: Solve for x
    x = 60,639,800.24/7,411.70
  6. Step 6: Final answer
    x = 8,181.63

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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.