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Finding the Fourth Proportional to 40,305.99, 60,458.89 and 10,723.83

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Solution

The fourth proportional to 40,305.99, 60,458.89 and 10,723.83 is: 16,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.99 : 60,458.89 = 10,723.83 : x
  2. Step 2: Convert to fraction form
    40,305.99/60,458.89 = 10,723.83/x
  3. Step 3: Cross multiply
    40,305.99x = 60,458.89 × 10,723.83
  4. Step 4: Simplify right side
    40,305.99x = 648,350,858.35
  5. Step 5: Solve for x
    x = 648,350,858.35/40,305.99
  6. Step 6: Final answer
    x = 16,085.72

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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.