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Finding the Fourth Proportional to 15,853.44, 23,787.54 and 7,094.28

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Solution

The fourth proportional to 15,853.44, 23,787.54 and 7,094.28 is: 10,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853.44 : 23,787.54 = 7,094.28 : x
  2. Step 2: Convert to fraction form
    15,853.44/23,787.54 = 7,094.28/x
  3. Step 3: Cross multiply
    15,853.44x = 23,787.54 × 7,094.28
  4. Step 4: Simplify right side
    15,853.44x = 168,755,469.27
  5. Step 5: Solve for x
    x = 168,755,469.27/15,853.44
  6. Step 6: Final answer
    x = 10,644.72

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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.