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Finding the Fourth Proportional to 6,173.16, 8,518.97 and 3,520.50

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Solution

The fourth proportional to 6,173.16, 8,518.97 and 3,520.50 is: 4,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.16 : 8,518.97 = 3,520.50 : x
  2. Step 2: Convert to fraction form
    6,173.16/8,518.97 = 3,520.50/x
  3. Step 3: Cross multiply
    6,173.16x = 8,518.97 × 3,520.50
  4. Step 4: Simplify right side
    6,173.16x = 29,991,033.89
  5. Step 5: Solve for x
    x = 29,991,033.89/6,173.16
  6. Step 6: Final answer
    x = 4,858.30

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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.