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Finding the Fourth Proportional to 8,797.90, 13,201.65 and 3,604.30

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Solution

The fourth proportional to 8,797.90, 13,201.65 and 3,604.30 is: 5,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.90 : 13,201.65 = 3,604.30 : x
  2. Step 2: Convert to fraction form
    8,797.90/13,201.65 = 3,604.30/x
  3. Step 3: Cross multiply
    8,797.90x = 13,201.65 × 3,604.30
  4. Step 4: Simplify right side
    8,797.90x = 47,582,707.10
  5. Step 5: Solve for x
    x = 47,582,707.10/8,797.90
  6. Step 6: Final answer
    x = 5,408.42

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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.