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Finding the Fourth Proportional to 19,943.44, 29,915.24 and 9,410.08

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Solution

The fourth proportional to 19,943.44, 29,915.24 and 9,410.08 is: 14,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.44 : 29,915.24 = 9,410.08 : x
  2. Step 2: Convert to fraction form
    19,943.44/29,915.24 = 9,410.08/x
  3. Step 3: Cross multiply
    19,943.44x = 29,915.24 × 9,410.08
  4. Step 4: Simplify right side
    19,943.44x = 281,504,801.62
  5. Step 5: Solve for x
    x = 281,504,801.62/19,943.44
  6. Step 6: Final answer
    x = 14,115.16

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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.