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Finding the Fourth Proportional to 30,164.32, 41,627 and 16,735.72

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Solution

The fourth proportional to 30,164.32, 41,627 and 16,735.72 is: 23,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.32 : 41,627 = 16,735.72 : x
  2. Step 2: Convert to fraction form
    30,164.32/41,627 = 16,735.72/x
  3. Step 3: Cross multiply
    30,164.32x = 41,627 × 16,735.72
  4. Step 4: Simplify right side
    30,164.32x = 696,657,816.44
  5. Step 5: Solve for x
    x = 696,657,816.44/30,164.32
  6. Step 6: Final answer
    x = 23,095.43

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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.