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Finding the Fourth Proportional to 29,942.80, 44,892.60 and 19,560.40

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Solution

The fourth proportional to 29,942.80, 44,892.60 and 19,560.40 is: 29,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.80 : 44,892.60 = 19,560.40 : x
  2. Step 2: Convert to fraction form
    29,942.80/44,892.60 = 19,560.40/x
  3. Step 3: Cross multiply
    29,942.80x = 44,892.60 × 19,560.40
  4. Step 4: Simplify right side
    29,942.80x = 878,117,213.04
  5. Step 5: Solve for x
    x = 878,117,213.04/29,942.80
  6. Step 6: Final answer
    x = 29,326.49

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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.