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Finding the Fourth Proportional to 60,063.96, 90,104.21 and 20,615.94

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Solution

The fourth proportional to 60,063.96, 90,104.21 and 20,615.94 is: 30,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,063.96 : 90,104.21 = 20,615.94 : x
  2. Step 2: Convert to fraction form
    60,063.96/90,104.21 = 20,615.94/x
  3. Step 3: Cross multiply
    60,063.96x = 90,104.21 × 20,615.94
  4. Step 4: Simplify right side
    60,063.96x = 1,857,582,884.03
  5. Step 5: Solve for x
    x = 1,857,582,884.03/60,063.96
  6. Step 6: Final answer
    x = 30,926.75

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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.