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Finding the Fourth Proportional to 6,604.50, 9,888.30 and 5,448.42

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Solution

The fourth proportional to 6,604.50, 9,888.30 and 5,448.42 is: 8,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.50 : 9,888.30 = 5,448.42 : x
  2. Step 2: Convert to fraction form
    6,604.50/9,888.30 = 5,448.42/x
  3. Step 3: Cross multiply
    6,604.50x = 9,888.30 × 5,448.42
  4. Step 4: Simplify right side
    6,604.50x = 53,875,611.49
  5. Step 5: Solve for x
    x = 53,875,611.49/6,604.50
  6. Step 6: Final answer
    x = 8,157.41

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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.