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Finding the Fourth Proportional to 9,379.96, 14,062.96 and 3,136.28

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Solution

The fourth proportional to 9,379.96, 14,062.96 and 3,136.28 is: 4,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.96 : 14,062.96 = 3,136.28 : x
  2. Step 2: Convert to fraction form
    9,379.96/14,062.96 = 3,136.28/x
  3. Step 3: Cross multiply
    9,379.96x = 14,062.96 × 3,136.28
  4. Step 4: Simplify right side
    9,379.96x = 44,105,380.19
  5. Step 5: Solve for x
    x = 44,105,380.19/9,379.96
  6. Step 6: Final answer
    x = 4,702.09

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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.