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Finding the Fourth Proportional to 3,595.78, 5,393.07 and 998.02

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Solution

The fourth proportional to 3,595.78, 5,393.07 and 998.02 is: 1,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.78 : 5,393.07 = 998.02 : x
  2. Step 2: Convert to fraction form
    3,595.78/5,393.07 = 998.02/x
  3. Step 3: Cross multiply
    3,595.78x = 5,393.07 × 998.02
  4. Step 4: Simplify right side
    3,595.78x = 5,382,391.72
  5. Step 5: Solve for x
    x = 5,382,391.72/3,595.78
  6. Step 6: Final answer
    x = 1,496.86

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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.