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Finding the Fourth Proportional to 16,899,676.67, 25,348,753.19 and 7,047,683.19

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Solution

The fourth proportional to 16,899,676.67, 25,348,753.19 and 7,047,683.19 is: 10,571,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899,676.67 : 25,348,753.19 = 7,047,683.19 : x
  2. Step 2: Convert to fraction form
    16,899,676.67/25,348,753.19 = 7,047,683.19/x
  3. Step 3: Cross multiply
    16,899,676.67x = 25,348,753.19 × 7,047,683.19
  4. Step 4: Simplify right side
    16,899,676.67x = 178,649,981,709,383.47
  5. Step 5: Solve for x
    x = 178,649,981,709,383.47/16,899,676.67
  6. Step 6: Final answer
    x = 10,571,207.09

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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.