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Finding the Fourth Proportional to 26,714,672.70, 40,072,009.05 and 6,519,914.70

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Solution

The fourth proportional to 26,714,672.70, 40,072,009.05 and 6,519,914.70 is: 9,779,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,714,672.70 : 40,072,009.05 = 6,519,914.70 : x
  2. Step 2: Convert to fraction form
    26,714,672.70/40,072,009.05 = 6,519,914.70/x
  3. Step 3: Cross multiply
    26,714,672.70x = 40,072,009.05 × 6,519,914.70
  4. Step 4: Simplify right side
    26,714,672.70x = 261,266,080,863,628.03
  5. Step 5: Solve for x
    x = 261,266,080,863,628.03/26,714,672.70
  6. Step 6: Final answer
    x = 9,779,872.05

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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.