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Finding the Fourth Proportional to 30,101.60, 45,168.60 and 25,738.94

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Solution

The fourth proportional to 30,101.60, 45,168.60 and 25,738.94 is: 38,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.60 : 45,168.60 = 25,738.94 : x
  2. Step 2: Convert to fraction form
    30,101.60/45,168.60 = 25,738.94/x
  3. Step 3: Cross multiply
    30,101.60x = 45,168.60 × 25,738.94
  4. Step 4: Simplify right side
    30,101.60x = 1,162,591,885.28
  5. Step 5: Solve for x
    x = 1,162,591,885.28/30,101.60
  6. Step 6: Final answer
    x = 38,622.26

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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.