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Finding the Fourth Proportional to 5,598.88, 7,725.90 and 3,241.78

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Solution

The fourth proportional to 5,598.88, 7,725.90 and 3,241.78 is: 4,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.88 : 7,725.90 = 3,241.78 : x
  2. Step 2: Convert to fraction form
    5,598.88/7,725.90 = 3,241.78/x
  3. Step 3: Cross multiply
    5,598.88x = 7,725.90 × 3,241.78
  4. Step 4: Simplify right side
    5,598.88x = 25,045,668.10
  5. Step 5: Solve for x
    x = 25,045,668.10/5,598.88
  6. Step 6: Final answer
    x = 4,473.34

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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.