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Finding the Fourth Proportional to 43,859.50, 65,789.25 and 11,027.50

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Solution

The fourth proportional to 43,859.50, 65,789.25 and 11,027.50 is: 16,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,859.50 : 65,789.25 = 11,027.50 : x
  2. Step 2: Convert to fraction form
    43,859.50/65,789.25 = 11,027.50/x
  3. Step 3: Cross multiply
    43,859.50x = 65,789.25 × 11,027.50
  4. Step 4: Simplify right side
    43,859.50x = 725,490,954.38
  5. Step 5: Solve for x
    x = 725,490,954.38/43,859.50
  6. Step 6: Final answer
    x = 16,541.25

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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.