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Finding the Fourth Proportional to 14,843.20, 22,268.40 and 10,469.20

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Solution

The fourth proportional to 14,843.20, 22,268.40 and 10,469.20 is: 15,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.20 : 22,268.40 = 10,469.20 : x
  2. Step 2: Convert to fraction form
    14,843.20/22,268.40 = 10,469.20/x
  3. Step 3: Cross multiply
    14,843.20x = 22,268.40 × 10,469.20
  4. Step 4: Simplify right side
    14,843.20x = 233,132,333.28
  5. Step 5: Solve for x
    x = 233,132,333.28/14,843.20
  6. Step 6: Final answer
    x = 15,706.34

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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.