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Finding the Fourth Proportional to 4,415.72, 6,623.60 and 1,494.05

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Solution

The fourth proportional to 4,415.72, 6,623.60 and 1,494.05 is: 2,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.72 : 6,623.60 = 1,494.05 : x
  2. Step 2: Convert to fraction form
    4,415.72/6,623.60 = 1,494.05/x
  3. Step 3: Cross multiply
    4,415.72x = 6,623.60 × 1,494.05
  4. Step 4: Simplify right side
    4,415.72x = 9,895,948.99
  5. Step 5: Solve for x
    x = 9,895,948.99/4,415.72
  6. Step 6: Final answer
    x = 2,241.08

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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.