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Finding the Fourth Proportional to 40,992.59, 61,488.96 and 11,410.43

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Solution

The fourth proportional to 40,992.59, 61,488.96 and 11,410.43 is: 17,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.59 : 61,488.96 = 11,410.43 : x
  2. Step 2: Convert to fraction form
    40,992.59/61,488.96 = 11,410.43/x
  3. Step 3: Cross multiply
    40,992.59x = 61,488.96 × 11,410.43
  4. Step 4: Simplify right side
    40,992.59x = 701,615,473.85
  5. Step 5: Solve for x
    x = 701,615,473.85/40,992.59
  6. Step 6: Final answer
    x = 17,115.67

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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.