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Finding the Fourth Proportional to 4,415.82, 6,623.72 and 1,337.82

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Solution

The fourth proportional to 4,415.82, 6,623.72 and 1,337.82 is: 2,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.82 : 6,623.72 = 1,337.82 : x
  2. Step 2: Convert to fraction form
    4,415.82/6,623.72 = 1,337.82/x
  3. Step 3: Cross multiply
    4,415.82x = 6,623.72 × 1,337.82
  4. Step 4: Simplify right side
    4,415.82x = 8,861,338.40
  5. Step 5: Solve for x
    x = 8,861,338.40/4,415.82
  6. Step 6: Final answer
    x = 2,006.73

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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.