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Finding the Fourth Proportional to 3,889,376.96, 5,834,065.44 and 1,049,484.56

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Solution

The fourth proportional to 3,889,376.96, 5,834,065.44 and 1,049,484.56 is: 1,574,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,376.96 : 5,834,065.44 = 1,049,484.56 : x
  2. Step 2: Convert to fraction form
    3,889,376.96/5,834,065.44 = 1,049,484.56/x
  3. Step 3: Cross multiply
    3,889,376.96x = 5,834,065.44 × 1,049,484.56
  4. Step 4: Simplify right side
    3,889,376.96x = 6,122,761,601,309.61
  5. Step 5: Solve for x
    x = 6,122,761,601,309.61/3,889,376.96
  6. Step 6: Final answer
    x = 1,574,226.84

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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.