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Finding the Fourth Proportional to 5,404.66, 8,106.98 and 4,173.86

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Solution

The fourth proportional to 5,404.66, 8,106.98 and 4,173.86 is: 6,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.66 : 8,106.98 = 4,173.86 : x
  2. Step 2: Convert to fraction form
    5,404.66/8,106.98 = 4,173.86/x
  3. Step 3: Cross multiply
    5,404.66x = 8,106.98 × 4,173.86
  4. Step 4: Simplify right side
    5,404.66x = 33,837,399.54
  5. Step 5: Solve for x
    x = 33,837,399.54/5,404.66
  6. Step 6: Final answer
    x = 6,260.78

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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.