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Finding the Fourth Proportional to 1,400.25, 1,932.08 and 794.58

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Solution

The fourth proportional to 1,400.25, 1,932.08 and 794.58 is: 1,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.25 : 1,932.08 = 794.58 : x
  2. Step 2: Convert to fraction form
    1,400.25/1,932.08 = 794.58/x
  3. Step 3: Cross multiply
    1,400.25x = 1,932.08 × 794.58
  4. Step 4: Simplify right side
    1,400.25x = 1,535,188.15
  5. Step 5: Solve for x
    x = 1,535,188.15/1,400.25
  6. Step 6: Final answer
    x = 1,096.37

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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.