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Finding the Fourth Proportional to 12,244.91, 16,892.94 and 7,994.50

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Solution

The fourth proportional to 12,244.91, 16,892.94 and 7,994.50 is: 11,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.91 : 16,892.94 = 7,994.50 : x
  2. Step 2: Convert to fraction form
    12,244.91/16,892.94 = 7,994.50/x
  3. Step 3: Cross multiply
    12,244.91x = 16,892.94 × 7,994.50
  4. Step 4: Simplify right side
    12,244.91x = 135,050,551.61
  5. Step 5: Solve for x
    x = 135,050,551.61/12,244.91
  6. Step 6: Final answer
    x = 11,029.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.