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Finding the Fourth Proportional to 40,601.56, 60,895.15 and 11,021.71

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Solution

The fourth proportional to 40,601.56, 60,895.15 and 11,021.71 is: 16,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,601.56 : 60,895.15 = 11,021.71 : x
  2. Step 2: Convert to fraction form
    40,601.56/60,895.15 = 11,021.71/x
  3. Step 3: Cross multiply
    40,601.56x = 60,895.15 × 11,021.71
  4. Step 4: Simplify right side
    40,601.56x = 671,168,683.71
  5. Step 5: Solve for x
    x = 671,168,683.71/40,601.56
  6. Step 6: Final answer
    x = 16,530.61

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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.