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Finding the Fourth Proportional to 3,792,689.70, 5,689,040.02 and 1,548,827.70

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Solution

The fourth proportional to 3,792,689.70, 5,689,040.02 and 1,548,827.70 is: 2,323,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,689.70 : 5,689,040.02 = 1,548,827.70 : x
  2. Step 2: Convert to fraction form
    3,792,689.70/5,689,040.02 = 1,548,827.70/x
  3. Step 3: Cross multiply
    3,792,689.70x = 5,689,040.02 × 1,548,827.70
  4. Step 4: Simplify right side
    3,792,689.70x = 8,811,342,769,384.55
  5. Step 5: Solve for x
    x = 8,811,342,769,384.55/3,792,689.70
  6. Step 6: Final answer
    x = 2,323,243.78

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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.