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Finding the Fourth Proportional to 17,093,957.40, 25,640,936.10 and 5,126,693.40

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Solution

The fourth proportional to 17,093,957.40, 25,640,936.10 and 5,126,693.40 is: 7,690,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093,957.40 : 25,640,936.10 = 5,126,693.40 : x
  2. Step 2: Convert to fraction form
    17,093,957.40/25,640,936.10 = 5,126,693.40/x
  3. Step 3: Cross multiply
    17,093,957.40x = 25,640,936.10 × 5,126,693.40
  4. Step 4: Simplify right side
    17,093,957.40x = 131,453,217,873,691.75
  5. Step 5: Solve for x
    x = 131,453,217,873,691.75/17,093,957.40
  6. Step 6: Final answer
    x = 7,690,040.10

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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.