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Finding the Fourth Proportional to 3,595.32, 5,392.80 and 998.28

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Solution

The fourth proportional to 3,595.32, 5,392.80 and 998.28 is: 1,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.32 : 5,392.80 = 998.28 : x
  2. Step 2: Convert to fraction form
    3,595.32/5,392.80 = 998.28/x
  3. Step 3: Cross multiply
    3,595.32x = 5,392.80 × 998.28
  4. Step 4: Simplify right side
    3,595.32x = 5,383,524.38
  5. Step 5: Solve for x
    x = 5,383,524.38/3,595.32
  6. Step 6: Final answer
    x = 1,497.37

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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.