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Finding the Fourth Proportional to 9,627.70, 14,441.55 and 5,917.90

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Solution

The fourth proportional to 9,627.70, 14,441.55 and 5,917.90 is: 8,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.70 : 14,441.55 = 5,917.90 : x
  2. Step 2: Convert to fraction form
    9,627.70/14,441.55 = 5,917.90/x
  3. Step 3: Cross multiply
    9,627.70x = 14,441.55 × 5,917.90
  4. Step 4: Simplify right side
    9,627.70x = 85,463,648.75
  5. Step 5: Solve for x
    x = 85,463,648.75/9,627.70
  6. Step 6: Final answer
    x = 8,876.85

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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.