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Finding the Fourth Proportional to 59,839.75, 89,760.84 and 18,286.75

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Solution

The fourth proportional to 59,839.75, 89,760.84 and 18,286.75 is: 27,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,839.75 : 89,760.84 = 18,286.75 : x
  2. Step 2: Convert to fraction form
    59,839.75/89,760.84 = 18,286.75/x
  3. Step 3: Cross multiply
    59,839.75x = 89,760.84 × 18,286.75
  4. Step 4: Simplify right side
    59,839.75x = 1,641,434,040.87
  5. Step 5: Solve for x
    x = 1,641,434,040.87/59,839.75
  6. Step 6: Final answer
    x = 27,430.50

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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.