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Finding the Fourth Proportional to 17,714,974.20, 26,572,461.30 and 13,431,953.40

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Solution

The fourth proportional to 17,714,974.20, 26,572,461.30 and 13,431,953.40 is: 20,147,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,714,974.20 : 26,572,461.30 = 13,431,953.40 : x
  2. Step 2: Convert to fraction form
    17,714,974.20/26,572,461.30 = 13,431,953.40/x
  3. Step 3: Cross multiply
    17,714,974.20x = 26,572,461.30 × 13,431,953.40
  4. Step 4: Simplify right side
    17,714,974.20x = 356,920,061,904,903.44
  5. Step 5: Solve for x
    x = 356,920,061,904,903.44/17,714,974.20
  6. Step 6: Final answer
    x = 20,147,930.10

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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.