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Finding the Fourth Proportional to 5,979,389.70, 8,969,084.55 and 5,648,715.30

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Solution

The fourth proportional to 5,979,389.70, 8,969,084.55 and 5,648,715.30 is: 8,473,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,389.70 : 8,969,084.55 = 5,648,715.30 : x
  2. Step 2: Convert to fraction form
    5,979,389.70/8,969,084.55 = 5,648,715.30/x
  3. Step 3: Cross multiply
    5,979,389.70x = 8,969,084.55 × 5,648,715.30
  4. Step 4: Simplify right side
    5,979,389.70x = 50,663,805,124,578.62
  5. Step 5: Solve for x
    x = 50,663,805,124,578.62/5,979,389.70
  6. Step 6: Final answer
    x = 8,473,072.95

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Double scale
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Similar ratio
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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.