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Finding the Fourth Proportional to 6,297,285.60, 9,431,931.60 and 5,457,477.60

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Solution

The fourth proportional to 6,297,285.60, 9,431,931.60 and 5,457,477.60 is: 8,174,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297,285.60 : 9,431,931.60 = 5,457,477.60 : x
  2. Step 2: Convert to fraction form
    6,297,285.60/9,431,931.60 = 5,457,477.60/x
  3. Step 3: Cross multiply
    6,297,285.60x = 9,431,931.60 × 5,457,477.60
  4. Step 4: Simplify right side
    6,297,285.60x = 51,474,555,431,732.16
  5. Step 5: Solve for x
    x = 51,474,555,431,732.16/6,297,285.60
  6. Step 6: Final answer
    x = 8,174,086.22

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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.