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Finding the Fourth Proportional to 1,423.93, 1,965.02 and 794.44

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Solution

The fourth proportional to 1,423.93, 1,965.02 and 794.44 is: 1,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.93 : 1,965.02 = 794.44 : x
  2. Step 2: Convert to fraction form
    1,423.93/1,965.02 = 794.44/x
  3. Step 3: Cross multiply
    1,423.93x = 1,965.02 × 794.44
  4. Step 4: Simplify right side
    1,423.93x = 1,561,076.69
  5. Step 5: Solve for x
    x = 1,561,076.69/1,423.93
  6. Step 6: Final answer
    x = 1,096.32

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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.