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Finding the Fourth Proportional to 2,725.53, 4,088.84 and 994.29

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Solution

The fourth proportional to 2,725.53, 4,088.84 and 994.29 is: 1,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.53 : 4,088.84 = 994.29 : x
  2. Step 2: Convert to fraction form
    2,725.53/4,088.84 = 994.29/x
  3. Step 3: Cross multiply
    2,725.53x = 4,088.84 × 994.29
  4. Step 4: Simplify right side
    2,725.53x = 4,065,487.75
  5. Step 5: Solve for x
    x = 4,065,487.75/2,725.53
  6. Step 6: Final answer
    x = 1,491.63

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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.