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Finding the Fourth Proportional to 35,405,912.70, 53,108,869.06 and 35,405,912.70

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Solution

The fourth proportional to 35,405,912.70, 53,108,869.06 and 35,405,912.70 is: 53,108,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405,912.70 : 53,108,869.06 = 35,405,912.70 : x
  2. Step 2: Convert to fraction form
    35,405,912.70/53,108,869.06 = 35,405,912.70/x
  3. Step 3: Cross multiply
    35,405,912.70x = 53,108,869.06 × 35,405,912.70
  4. Step 4: Simplify right side
    35,405,912.70x = 1,880,367,981,534,091.25
  5. Step 5: Solve for x
    x = 1,880,367,981,534,091.25/35,405,912.70
  6. Step 6: Final answer
    x = 53,108,869.06

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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.