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Finding the Fourth Proportional to 8,682.63, 13,024.55 and 3,488.50

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Solution

The fourth proportional to 8,682.63, 13,024.55 and 3,488.50 is: 5,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.63 : 13,024.55 = 3,488.50 : x
  2. Step 2: Convert to fraction form
    8,682.63/13,024.55 = 3,488.50/x
  3. Step 3: Cross multiply
    8,682.63x = 13,024.55 × 3,488.50
  4. Step 4: Simplify right side
    8,682.63x = 45,436,142.68
  5. Step 5: Solve for x
    x = 45,436,142.68/8,682.63
  6. Step 6: Final answer
    x = 5,232.99

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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.