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Finding the Fourth Proportional to 8,868,604.40, 13,304,874.90 and 4,075,137.80

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Solution

The fourth proportional to 8,868,604.40, 13,304,874.90 and 4,075,137.80 is: 6,113,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,604.40 : 13,304,874.90 = 4,075,137.80 : x
  2. Step 2: Convert to fraction form
    8,868,604.40/13,304,874.90 = 4,075,137.80/x
  3. Step 3: Cross multiply
    8,868,604.40x = 13,304,874.90 × 4,075,137.80
  4. Step 4: Simplify right side
    8,868,604.40x = 54,219,198,629,261.22
  5. Step 5: Solve for x
    x = 54,219,198,629,261.22/8,868,604.40
  6. Step 6: Final answer
    x = 6,113,611.14

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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.