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Finding the Fourth Proportional to 20,599.58, 30,902.33 and 6,369.17

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Solution

The fourth proportional to 20,599.58, 30,902.33 and 6,369.17 is: 9,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.58 : 30,902.33 = 6,369.17 : x
  2. Step 2: Convert to fraction form
    20,599.58/30,902.33 = 6,369.17/x
  3. Step 3: Cross multiply
    20,599.58x = 30,902.33 × 6,369.17
  4. Step 4: Simplify right side
    20,599.58x = 196,822,062.66
  5. Step 5: Solve for x
    x = 196,822,062.66/20,599.58
  6. Step 6: Final answer
    x = 9,554.66

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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.