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Finding the Fourth Proportional to 59,993.74, 89,955.78 and 20,540.26

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Solution

The fourth proportional to 59,993.74, 89,955.78 and 20,540.26 is: 30,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,993.74 : 89,955.78 = 20,540.26 : x
  2. Step 2: Convert to fraction form
    59,993.74/89,955.78 = 20,540.26/x
  3. Step 3: Cross multiply
    59,993.74x = 89,955.78 × 20,540.26
  4. Step 4: Simplify right side
    59,993.74x = 1,847,715,109.70
  5. Step 5: Solve for x
    x = 1,847,715,109.70/59,993.74
  6. Step 6: Final answer
    x = 30,798.47

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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.