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Finding the Fourth Proportional to 8,682.53, 13,025.42 and 2,839.46

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Solution

The fourth proportional to 8,682.53, 13,025.42 and 2,839.46 is: 4,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.53 : 13,025.42 = 2,839.46 : x
  2. Step 2: Convert to fraction form
    8,682.53/13,025.42 = 2,839.46/x
  3. Step 3: Cross multiply
    8,682.53x = 13,025.42 × 2,839.46
  4. Step 4: Simplify right side
    8,682.53x = 36,985,159.07
  5. Step 5: Solve for x
    x = 36,985,159.07/8,682.53
  6. Step 6: Final answer
    x = 4,259.72

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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.