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Finding the Fourth Proportional to 43,027.86, 59,361.86 and 31,724.18

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Solution

The fourth proportional to 43,027.86, 59,361.86 and 31,724.18 is: 43,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.86 : 59,361.86 = 31,724.18 : x
  2. Step 2: Convert to fraction form
    43,027.86/59,361.86 = 31,724.18/x
  3. Step 3: Cross multiply
    43,027.86x = 59,361.86 × 31,724.18
  4. Step 4: Simplify right side
    43,027.86x = 1,883,206,503.84
  5. Step 5: Solve for x
    x = 1,883,206,503.84/43,027.86
  6. Step 6: Final answer
    x = 43,767.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.