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Finding the Fourth Proportional to 43,941.04, 65,911.52 and 12,776.56

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Solution

The fourth proportional to 43,941.04, 65,911.52 and 12,776.56 is: 19,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,941.04 : 65,911.52 = 12,776.56 : x
  2. Step 2: Convert to fraction form
    43,941.04/65,911.52 = 12,776.56/x
  3. Step 3: Cross multiply
    43,941.04x = 65,911.52 × 12,776.56
  4. Step 4: Simplify right side
    43,941.04x = 842,122,489.97
  5. Step 5: Solve for x
    x = 842,122,489.97/43,941.04
  6. Step 6: Final answer
    x = 19,164.83

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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.