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Finding the Fourth Proportional to 4,951,640.70, 6,937,020.90 and 4,951,640.70

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Solution

The fourth proportional to 4,951,640.70, 6,937,020.90 and 4,951,640.70 is: 6,937,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951,640.70 : 6,937,020.90 = 4,951,640.70 : x
  2. Step 2: Convert to fraction form
    4,951,640.70/6,937,020.90 = 4,951,640.70/x
  3. Step 3: Cross multiply
    4,951,640.70x = 6,937,020.90 × 4,951,640.70
  4. Step 4: Simplify right side
    4,951,640.70x = 34,349,635,025,190.63
  5. Step 5: Solve for x
    x = 34,349,635,025,190.63/4,951,640.70
  6. Step 6: Final answer
    x = 6,937,020.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.