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Finding the Fourth Proportional to 22,125, 30,513.60 and 13,627.29

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Solution

The fourth proportional to 22,125, 30,513.60 and 13,627.29 is: 18,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125 : 30,513.60 = 13,627.29 : x
  2. Step 2: Convert to fraction form
    22,125/30,513.60 = 13,627.29/x
  3. Step 3: Cross multiply
    22,125x = 30,513.60 × 13,627.29
  4. Step 4: Simplify right side
    22,125x = 415,817,676.14
  5. Step 5: Solve for x
    x = 415,817,676.14/22,125
  6. Step 6: Final answer
    x = 18,794.02

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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.