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Finding the Fourth Proportional to 41,891.92, 62,840.21 and 13,810.84

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Solution

The fourth proportional to 41,891.92, 62,840.21 and 13,810.84 is: 20,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,891.92 : 62,840.21 = 13,810.84 : x
  2. Step 2: Convert to fraction form
    41,891.92/62,840.21 = 13,810.84/x
  3. Step 3: Cross multiply
    41,891.92x = 62,840.21 × 13,810.84
  4. Step 4: Simplify right side
    41,891.92x = 867,875,859.72
  5. Step 5: Solve for x
    x = 867,875,859.72/41,891.92
  6. Step 6: Final answer
    x = 20,717.02

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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.