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Finding the Fourth Proportional to 3,669,625.80, 5,504,438.70 and 3,492,478.80

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Solution

The fourth proportional to 3,669,625.80, 5,504,438.70 and 3,492,478.80 is: 5,238,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,625.80 : 5,504,438.70 = 3,492,478.80 : x
  2. Step 2: Convert to fraction form
    3,669,625.80/5,504,438.70 = 3,492,478.80/x
  3. Step 3: Cross multiply
    3,669,625.80x = 5,504,438.70 × 3,492,478.80
  4. Step 4: Simplify right side
    3,669,625.80x = 19,224,135,465,649.56
  5. Step 5: Solve for x
    x = 19,224,135,465,649.56/3,669,625.80
  6. Step 6: Final answer
    x = 5,238,718.20

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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.