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Finding the Fourth Proportional to 8,694.58, 13,043.68 and 2,850.74

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Solution

The fourth proportional to 8,694.58, 13,043.68 and 2,850.74 is: 4,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.58 : 13,043.68 = 2,850.74 : x
  2. Step 2: Convert to fraction form
    8,694.58/13,043.68 = 2,850.74/x
  3. Step 3: Cross multiply
    8,694.58x = 13,043.68 × 2,850.74
  4. Step 4: Simplify right side
    8,694.58x = 37,184,140.32
  5. Step 5: Solve for x
    x = 37,184,140.32/8,694.58
  6. Step 6: Final answer
    x = 4,276.70

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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.