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Finding the Fourth Proportional to 5,855,584.28, 8,784,215.94 and 1,812,427.16

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Solution

The fourth proportional to 5,855,584.28, 8,784,215.94 and 1,812,427.16 is: 2,718,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855,584.28 : 8,784,215.94 = 1,812,427.16 : x
  2. Step 2: Convert to fraction form
    5,855,584.28/8,784,215.94 = 1,812,427.16/x
  3. Step 3: Cross multiply
    5,855,584.28x = 8,784,215.94 × 1,812,427.16
  4. Step 4: Simplify right side
    5,855,584.28x = 15,920,751,548,960.93
  5. Step 5: Solve for x
    x = 15,920,751,548,960.93/5,855,584.28
  6. Step 6: Final answer
    x = 2,718,900.59

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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.