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Finding the Fourth Proportional to 18,006.30, 26,975.03 and 9,683.55

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Solution

The fourth proportional to 18,006.30, 26,975.03 and 9,683.55 is: 14,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.30 : 26,975.03 = 9,683.55 : x
  2. Step 2: Convert to fraction form
    18,006.30/26,975.03 = 9,683.55/x
  3. Step 3: Cross multiply
    18,006.30x = 26,975.03 × 9,683.55
  4. Step 4: Simplify right side
    18,006.30x = 261,214,003.34
  5. Step 5: Solve for x
    x = 261,214,003.34/18,006.30
  6. Step 6: Final answer
    x = 14,506.81

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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.