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Finding the Fourth Proportional to 5,702,367.72, 8,554,828.32 and 1,915,747.32

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Solution

The fourth proportional to 5,702,367.72, 8,554,828.32 and 1,915,747.32 is: 2,874,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702,367.72 : 8,554,828.32 = 1,915,747.32 : x
  2. Step 2: Convert to fraction form
    5,702,367.72/8,554,828.32 = 1,915,747.32/x
  3. Step 3: Cross multiply
    5,702,367.72x = 8,554,828.32 × 1,915,747.32
  4. Step 4: Simplify right side
    5,702,367.72x = 16,388,889,427,100.10
  5. Step 5: Solve for x
    x = 16,388,889,427,100.10/5,702,367.72
  6. Step 6: Final answer
    x = 2,874,049.91

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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.