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Finding the Fourth Proportional to 17,647,541.80, 26,471,312.70 and 11,600,924.20

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Solution

The fourth proportional to 17,647,541.80, 26,471,312.70 and 11,600,924.20 is: 17,401,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647,541.80 : 26,471,312.70 = 11,600,924.20 : x
  2. Step 2: Convert to fraction form
    17,647,541.80/26,471,312.70 = 11,600,924.20/x
  3. Step 3: Cross multiply
    17,647,541.80x = 26,471,312.70 × 11,600,924.20
  4. Step 4: Simplify right side
    17,647,541.80x = 307,091,692,107,197.31
  5. Step 5: Solve for x
    x = 307,091,692,107,197.31/17,647,541.80
  6. Step 6: Final answer
    x = 17,401,386.30

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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.