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Finding the Fourth Proportional to 4,622.60, 6,379.60 and 2,632.74

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Solution

The fourth proportional to 4,622.60, 6,379.60 and 2,632.74 is: 3,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.60 : 6,379.60 = 2,632.74 : x
  2. Step 2: Convert to fraction form
    4,622.60/6,379.60 = 2,632.74/x
  3. Step 3: Cross multiply
    4,622.60x = 6,379.60 × 2,632.74
  4. Step 4: Simplify right side
    4,622.60x = 16,795,828.10
  5. Step 5: Solve for x
    x = 16,795,828.10/4,622.60
  6. Step 6: Final answer
    x = 3,633.42

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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.