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Finding the Fourth Proportional to 18,171.12, 25,076.01 and 10,213.32

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Solution

The fourth proportional to 18,171.12, 25,076.01 and 10,213.32 is: 14,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.12 : 25,076.01 = 10,213.32 : x
  2. Step 2: Convert to fraction form
    18,171.12/25,076.01 = 10,213.32/x
  3. Step 3: Cross multiply
    18,171.12x = 25,076.01 × 10,213.32
  4. Step 4: Simplify right side
    18,171.12x = 256,109,314.45
  5. Step 5: Solve for x
    x = 256,109,314.45/18,171.12
  6. Step 6: Final answer
    x = 14,094.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.