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Finding the Fourth Proportional to 4,738,393.89, 7,108,476.76 and 1,898,727.45

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Solution

The fourth proportional to 4,738,393.89, 7,108,476.76 and 1,898,727.45 is: 2,848,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,393.89 : 7,108,476.76 = 1,898,727.45 : x
  2. Step 2: Convert to fraction form
    4,738,393.89/7,108,476.76 = 1,898,727.45/x
  3. Step 3: Cross multiply
    4,738,393.89x = 7,108,476.76 × 1,898,727.45
  4. Step 4: Simplify right side
    4,738,393.89x = 13,497,059,951,899.06
  5. Step 5: Solve for x
    x = 13,497,059,951,899.06/4,738,393.89
  6. Step 6: Final answer
    x = 2,848,446.18

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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.