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Finding the Fourth Proportional to 5,905.99, 8,852.91 and 2,620.63

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Solution

The fourth proportional to 5,905.99, 8,852.91 and 2,620.63 is: 3,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.99 : 8,852.91 = 2,620.63 : x
  2. Step 2: Convert to fraction form
    5,905.99/8,852.91 = 2,620.63/x
  3. Step 3: Cross multiply
    5,905.99x = 8,852.91 × 2,620.63
  4. Step 4: Simplify right side
    5,905.99x = 23,200,188.43
  5. Step 5: Solve for x
    x = 23,200,188.43/5,905.99
  6. Step 6: Final answer
    x = 3,928.25

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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.