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Finding the Fourth Proportional to 5,164,638.54, 7,737,979.95 and 3,624,367.38

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Solution

The fourth proportional to 5,164,638.54, 7,737,979.95 and 3,624,367.38 is: 5,430,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,638.54 : 7,737,979.95 = 3,624,367.38 : x
  2. Step 2: Convert to fraction form
    5,164,638.54/7,737,979.95 = 3,624,367.38/x
  3. Step 3: Cross multiply
    5,164,638.54x = 7,737,979.95 × 3,624,367.38
  4. Step 4: Simplify right side
    5,164,638.54x = 28,045,282,117,874.03
  5. Step 5: Solve for x
    x = 28,045,282,117,874.03/5,164,638.54
  6. Step 6: Final answer
    x = 5,430,250.71

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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.