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Finding the Fourth Proportional to 16,647,652.64, 22,975,625.68 and 9,404,775.20

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Solution

The fourth proportional to 16,647,652.64, 22,975,625.68 and 9,404,775.20 is: 12,979,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647,652.64 : 22,975,625.68 = 9,404,775.20 : x
  2. Step 2: Convert to fraction form
    16,647,652.64/22,975,625.68 = 9,404,775.20/x
  3. Step 3: Cross multiply
    16,647,652.64x = 22,975,625.68 × 9,404,775.20
  4. Step 4: Simplify right side
    16,647,652.64x = 216,080,594,599,747.12
  5. Step 5: Solve for x
    x = 216,080,594,599,747.12/16,647,652.64
  6. Step 6: Final answer
    x = 12,979,643.39

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