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Finding the Fourth Proportional to 34,930.99, 52,396.49 and 8,636.23

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Solution

The fourth proportional to 34,930.99, 52,396.49 and 8,636.23 is: 12,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,930.99 : 52,396.49 = 8,636.23 : x
  2. Step 2: Convert to fraction form
    34,930.99/52,396.49 = 8,636.23/x
  3. Step 3: Cross multiply
    34,930.99x = 52,396.49 × 8,636.23
  4. Step 4: Simplify right side
    34,930.99x = 452,508,138.83
  5. Step 5: Solve for x
    x = 452,508,138.83/34,930.99
  6. Step 6: Final answer
    x = 12,954.35

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Double scale
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Similar ratio
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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.