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Finding the Fourth Proportional to 1,494.96, 2,245.08 and 1,434.48

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Solution

The fourth proportional to 1,494.96, 2,245.08 and 1,434.48 is: 2,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.96 : 2,245.08 = 1,434.48 : x
  2. Step 2: Convert to fraction form
    1,494.96/2,245.08 = 1,434.48/x
  3. Step 3: Cross multiply
    1,494.96x = 2,245.08 × 1,434.48
  4. Step 4: Simplify right side
    1,494.96x = 3,220,522.36
  5. Step 5: Solve for x
    x = 3,220,522.36/1,494.96
  6. Step 6: Final answer
    x = 2,154.25

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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.