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Finding the Fourth Proportional to 43,892.04, 65,826.32 and 12,300.33

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Solution

The fourth proportional to 43,892.04, 65,826.32 and 12,300.33 is: 18,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,892.04 : 65,826.32 = 12,300.33 : x
  2. Step 2: Convert to fraction form
    43,892.04/65,826.32 = 12,300.33/x
  3. Step 3: Cross multiply
    43,892.04x = 65,826.32 × 12,300.33
  4. Step 4: Simplify right side
    43,892.04x = 809,685,397.18
  5. Step 5: Solve for x
    x = 809,685,397.18/43,892.04
  6. Step 6: Final answer
    x = 18,447.20

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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.