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Finding the Fourth Proportional to 3,674.94, 5,068.62 and 2,555.88

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Solution

The fourth proportional to 3,674.94, 5,068.62 and 2,555.88 is: 3,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.94 : 5,068.62 = 2,555.88 : x
  2. Step 2: Convert to fraction form
    3,674.94/5,068.62 = 2,555.88/x
  3. Step 3: Cross multiply
    3,674.94x = 5,068.62 × 2,555.88
  4. Step 4: Simplify right side
    3,674.94x = 12,954,784.49
  5. Step 5: Solve for x
    x = 12,954,784.49/3,674.94
  6. Step 6: Final answer
    x = 3,525.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.