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Finding the Fourth Proportional to 4,674.71, 6,451.01 and 2,685.22

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Solution

The fourth proportional to 4,674.71, 6,451.01 and 2,685.22 is: 3,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.71 : 6,451.01 = 2,685.22 : x
  2. Step 2: Convert to fraction form
    4,674.71/6,451.01 = 2,685.22/x
  3. Step 3: Cross multiply
    4,674.71x = 6,451.01 × 2,685.22
  4. Step 4: Simplify right side
    4,674.71x = 17,322,361.59
  5. Step 5: Solve for x
    x = 17,322,361.59/4,674.71
  6. Step 6: Final answer
    x = 3,705.55

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Half scale
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Double scale
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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.