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Finding the Fourth Proportional to 3,747,728.32, 5,171,866.72 and 2,028,848.76

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Solution

The fourth proportional to 3,747,728.32, 5,171,866.72 and 2,028,848.76 is: 2,799,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,728.32 : 5,171,866.72 = 2,028,848.76 : x
  2. Step 2: Convert to fraction form
    3,747,728.32/5,171,866.72 = 2,028,848.76/x
  3. Step 3: Cross multiply
    3,747,728.32x = 5,171,866.72 × 2,028,848.76
  4. Step 4: Simplify right side
    3,747,728.32x = 10,492,935,381,757.27
  5. Step 5: Solve for x
    x = 10,492,935,381,757.27/3,747,728.32
  6. Step 6: Final answer
    x = 2,799,812.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.