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Finding the Fourth Proportional to 40,101.70, 60,112.85 and 19,004.44

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Solution

The fourth proportional to 40,101.70, 60,112.85 and 19,004.44 is: 28,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.70 : 60,112.85 = 19,004.44 : x
  2. Step 2: Convert to fraction form
    40,101.70/60,112.85 = 19,004.44/x
  3. Step 3: Cross multiply
    40,101.70x = 60,112.85 × 19,004.44
  4. Step 4: Simplify right side
    40,101.70x = 1,142,410,948.28
  5. Step 5: Solve for x
    x = 1,142,410,948.28/40,101.70
  6. Step 6: Final answer
    x = 28,487.85

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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.