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Finding the Fourth Proportional to 5,451,329.70, 8,159,279.85 and 5,451,329.70

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Solution

The fourth proportional to 5,451,329.70, 8,159,279.85 and 5,451,329.70 is: 8,159,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,329.70 : 8,159,279.85 = 5,451,329.70 : x
  2. Step 2: Convert to fraction form
    5,451,329.70/8,159,279.85 = 5,451,329.70/x
  3. Step 3: Cross multiply
    5,451,329.70x = 8,159,279.85 × 5,451,329.70
  4. Step 4: Simplify right side
    5,451,329.70x = 44,478,924,576,916.55
  5. Step 5: Solve for x
    x = 44,478,924,576,916.55/5,451,329.70
  6. Step 6: Final answer
    x = 8,159,279.85

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1.5x scale

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.