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Finding the Fourth Proportional to 4,626.63, 6,939.56 and 2,405.48

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Solution

The fourth proportional to 4,626.63, 6,939.56 and 2,405.48 is: 3,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.63 : 6,939.56 = 2,405.48 : x
  2. Step 2: Convert to fraction form
    4,626.63/6,939.56 = 2,405.48/x
  3. Step 3: Cross multiply
    4,626.63x = 6,939.56 × 2,405.48
  4. Step 4: Simplify right side
    4,626.63x = 16,692,944.10
  5. Step 5: Solve for x
    x = 16,692,944.10/4,626.63
  6. Step 6: Final answer
    x = 3,608.01

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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.