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Finding the Fourth Proportional to 9,317,999.60, 13,984,872.60 and 3,642,297.20

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Solution

The fourth proportional to 9,317,999.60, 13,984,872.60 and 3,642,297.20 is: 5,466,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317,999.60 : 13,984,872.60 = 3,642,297.20 : x
  2. Step 2: Convert to fraction form
    9,317,999.60/13,984,872.60 = 3,642,297.20/x
  3. Step 3: Cross multiply
    9,317,999.60x = 13,984,872.60 × 3,642,297.20
  4. Step 4: Simplify right side
    9,317,999.60x = 50,937,062,313,336.72
  5. Step 5: Solve for x
    x = 50,937,062,313,336.72/9,317,999.60
  6. Step 6: Final answer
    x = 5,466,523.34

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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.