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Finding the Fourth Proportional to 6,201.99, 8,559.45 and 3,549.89

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Solution

The fourth proportional to 6,201.99, 8,559.45 and 3,549.89 is: 4,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.99 : 8,559.45 = 3,549.89 : x
  2. Step 2: Convert to fraction form
    6,201.99/8,559.45 = 3,549.89/x
  3. Step 3: Cross multiply
    6,201.99x = 8,559.45 × 3,549.89
  4. Step 4: Simplify right side
    6,201.99x = 30,385,127.36
  5. Step 5: Solve for x
    x = 30,385,127.36/6,201.99
  6. Step 6: Final answer
    x = 4,899.25

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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.