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Finding the Fourth Proportional to 5,912,138.60, 8,869,520.10 and 2,716,494.20

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Solution

The fourth proportional to 5,912,138.60, 8,869,520.10 and 2,716,494.20 is: 4,075,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912,138.60 : 8,869,520.10 = 2,716,494.20 : x
  2. Step 2: Convert to fraction form
    5,912,138.60/8,869,520.10 = 2,716,494.20/x
  3. Step 3: Cross multiply
    5,912,138.60x = 8,869,520.10 × 2,716,494.20
  4. Step 4: Simplify right side
    5,912,138.60x = 24,093,999,908,433.42
  5. Step 5: Solve for x
    x = 24,093,999,908,433.42/5,912,138.60
  6. Step 6: Final answer
    x = 4,075,344.23

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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.