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Finding the Fourth Proportional to 6,297,901.59, 8,690,824.59 and 3,507,168.78

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Solution

The fourth proportional to 6,297,901.59, 8,690,824.59 and 3,507,168.78 is: 4,839,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297,901.59 : 8,690,824.59 = 3,507,168.78 : x
  2. Step 2: Convert to fraction form
    6,297,901.59/8,690,824.59 = 3,507,168.78/x
  3. Step 3: Cross multiply
    6,297,901.59x = 8,690,824.59 × 3,507,168.78
  4. Step 4: Simplify right side
    6,297,901.59x = 30,480,188,674,504.30
  5. Step 5: Solve for x
    x = 30,480,188,674,504.30/6,297,901.59
  6. Step 6: Final answer
    x = 4,839,737.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.