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Finding the Fourth Proportional to 9,404.10, 14,106.15 and 8,079.30

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Solution

The fourth proportional to 9,404.10, 14,106.15 and 8,079.30 is: 12,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404.10 : 14,106.15 = 8,079.30 : x
  2. Step 2: Convert to fraction form
    9,404.10/14,106.15 = 8,079.30/x
  3. Step 3: Cross multiply
    9,404.10x = 14,106.15 × 8,079.30
  4. Step 4: Simplify right side
    9,404.10x = 113,967,817.70
  5. Step 5: Solve for x
    x = 113,967,817.70/9,404.10
  6. Step 6: Final answer
    x = 12,118.95

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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.