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Finding the Fourth Proportional to 34,495.82, 51,712.98 and 12,305.98

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Solution

The fourth proportional to 34,495.82, 51,712.98 and 12,305.98 is: 18,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,495.82 : 51,712.98 = 12,305.98 : x
  2. Step 2: Convert to fraction form
    34,495.82/51,712.98 = 12,305.98/x
  3. Step 3: Cross multiply
    34,495.82x = 51,712.98 × 12,305.98
  4. Step 4: Simplify right side
    34,495.82x = 636,378,694.45
  5. Step 5: Solve for x
    x = 636,378,694.45/34,495.82
  6. Step 6: Final answer
    x = 18,447.99

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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.