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Finding the Fourth Proportional to 7,800.88, 11,704.24 and 4,050.32

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Solution

The fourth proportional to 7,800.88, 11,704.24 and 4,050.32 is: 6,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.88 : 11,704.24 = 4,050.32 : x
  2. Step 2: Convert to fraction form
    7,800.88/11,704.24 = 4,050.32/x
  3. Step 3: Cross multiply
    7,800.88x = 11,704.24 × 4,050.32
  4. Step 4: Simplify right side
    7,800.88x = 47,405,912.85
  5. Step 5: Solve for x
    x = 47,405,912.85/7,800.88
  6. Step 6: Final answer
    x = 6,077.00

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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.