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Finding the Fourth Proportional to 34,814.70, 52,222.05 and 8,519.10

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Solution

The fourth proportional to 34,814.70, 52,222.05 and 8,519.10 is: 12,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,814.70 : 52,222.05 = 8,519.10 : x
  2. Step 2: Convert to fraction form
    34,814.70/52,222.05 = 8,519.10/x
  3. Step 3: Cross multiply
    34,814.70x = 52,222.05 × 8,519.10
  4. Step 4: Simplify right side
    34,814.70x = 444,884,866.16
  5. Step 5: Solve for x
    x = 444,884,866.16/34,814.70
  6. Step 6: Final answer
    x = 12,778.65

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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.