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Finding the Fourth Proportional to 43,818.92, 65,734.30 and 14,227.16

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Solution

The fourth proportional to 43,818.92, 65,734.30 and 14,227.16 is: 21,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.92 : 65,734.30 = 14,227.16 : x
  2. Step 2: Convert to fraction form
    43,818.92/65,734.30 = 14,227.16/x
  3. Step 3: Cross multiply
    43,818.92x = 65,734.30 × 14,227.16
  4. Step 4: Simplify right side
    43,818.92x = 935,212,403.59
  5. Step 5: Solve for x
    x = 935,212,403.59/43,818.92
  6. Step 6: Final answer
    x = 21,342.66

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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.