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Finding the Fourth Proportional to 29,969.40, 44,954.10 and 18,305.40

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Solution

The fourth proportional to 29,969.40, 44,954.10 and 18,305.40 is: 27,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,969.40 : 44,954.10 = 18,305.40 : x
  2. Step 2: Convert to fraction form
    29,969.40/44,954.10 = 18,305.40/x
  3. Step 3: Cross multiply
    29,969.40x = 44,954.10 × 18,305.40
  4. Step 4: Simplify right side
    29,969.40x = 822,902,782.14
  5. Step 5: Solve for x
    x = 822,902,782.14/29,969.40
  6. Step 6: Final answer
    x = 27,458.10

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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.