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Finding the Fourth Proportional to 41,135.76, 61,703.60 and 13,433.76

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Solution

The fourth proportional to 41,135.76, 61,703.60 and 13,433.76 is: 20,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,135.76 : 61,703.60 = 13,433.76 : x
  2. Step 2: Convert to fraction form
    41,135.76/61,703.60 = 13,433.76/x
  3. Step 3: Cross multiply
    41,135.76x = 61,703.60 × 13,433.76
  4. Step 4: Simplify right side
    41,135.76x = 828,911,353.54
  5. Step 5: Solve for x
    x = 828,911,353.54/41,135.76
  6. Step 6: Final answer
    x = 20,150.63

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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.