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Finding the Fourth Proportional to 8,496.63, 12,744.93 and 2,653.74

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Solution

The fourth proportional to 8,496.63, 12,744.93 and 2,653.74 is: 3,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.63 : 12,744.93 = 2,653.74 : x
  2. Step 2: Convert to fraction form
    8,496.63/12,744.93 = 2,653.74/x
  3. Step 3: Cross multiply
    8,496.63x = 12,744.93 × 2,653.74
  4. Step 4: Simplify right side
    8,496.63x = 33,821,730.54
  5. Step 5: Solve for x
    x = 33,821,730.54/8,496.63
  6. Step 6: Final answer
    x = 3,980.61

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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.