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Finding the Fourth Proportional to 6,379,615.70, 9,569,423.55 and 6,379,615.70

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Solution

The fourth proportional to 6,379,615.70, 9,569,423.55 and 6,379,615.70 is: 9,569,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,615.70 : 9,569,423.55 = 6,379,615.70 : x
  2. Step 2: Convert to fraction form
    6,379,615.70/9,569,423.55 = 6,379,615.70/x
  3. Step 3: Cross multiply
    6,379,615.70x = 9,569,423.55 × 6,379,615.70
  4. Step 4: Simplify right side
    6,379,615.70x = 61,049,244,719,529.74
  5. Step 5: Solve for x
    x = 61,049,244,719,529.74/6,379,615.70
  6. Step 6: Final answer
    x = 9,569,423.55

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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.