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Finding the Fourth Proportional to 16,651,499.64, 24,978,962.28 and 6,285,450.24

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Solution

The fourth proportional to 16,651,499.64, 24,978,962.28 and 6,285,450.24 is: 9,428,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651,499.64 : 24,978,962.28 = 6,285,450.24 : x
  2. Step 2: Convert to fraction form
    16,651,499.64/24,978,962.28 = 6,285,450.24/x
  3. Step 3: Cross multiply
    16,651,499.64x = 24,978,962.28 × 6,285,450.24
  4. Step 4: Simplify right side
    16,651,499.64x = 157,004,024,457,776.97
  5. Step 5: Solve for x
    x = 157,004,024,457,776.97/16,651,499.64
  6. Step 6: Final answer
    x = 9,428,821.90

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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.