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Finding the Fourth Proportional to 1,400.44, 1,932.58 and 958.33

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Solution

The fourth proportional to 1,400.44, 1,932.58 and 958.33 is: 1,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.44 : 1,932.58 = 958.33 : x
  2. Step 2: Convert to fraction form
    1,400.44/1,932.58 = 958.33/x
  3. Step 3: Cross multiply
    1,400.44x = 1,932.58 × 958.33
  4. Step 4: Simplify right side
    1,400.44x = 1,852,049.39
  5. Step 5: Solve for x
    x = 1,852,049.39/1,400.44
  6. Step 6: Final answer
    x = 1,322.48

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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.