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Finding the Fourth Proportional to 29,912.76, 44,857.97 and 9,918.59

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Solution

The fourth proportional to 29,912.76, 44,857.97 and 9,918.59 is: 14,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.76 : 44,857.97 = 9,918.59 : x
  2. Step 2: Convert to fraction form
    29,912.76/44,857.97 = 9,918.59/x
  3. Step 3: Cross multiply
    29,912.76x = 44,857.97 × 9,918.59
  4. Step 4: Simplify right side
    29,912.76x = 444,927,575.97
  5. Step 5: Solve for x
    x = 444,927,575.97/29,912.76
  6. Step 6: Final answer
    x = 14,874.17

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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.