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Finding the Fourth Proportional to 9,392.70, 14,078.88 and 6,108.15

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Solution

The fourth proportional to 9,392.70, 14,078.88 and 6,108.15 is: 9,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.70 : 14,078.88 = 6,108.15 : x
  2. Step 2: Convert to fraction form
    9,392.70/14,078.88 = 6,108.15/x
  3. Step 3: Cross multiply
    9,392.70x = 14,078.88 × 6,108.15
  4. Step 4: Simplify right side
    9,392.70x = 85,995,910.87
  5. Step 5: Solve for x
    x = 85,995,910.87/9,392.70
  6. Step 6: Final answer
    x = 9,155.61

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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.