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Finding the Fourth Proportional to 60,536.80, 90,805.20 and 16,163.72

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Solution

The fourth proportional to 60,536.80, 90,805.20 and 16,163.72 is: 24,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,536.80 : 90,805.20 = 16,163.72 : x
  2. Step 2: Convert to fraction form
    60,536.80/90,805.20 = 16,163.72/x
  3. Step 3: Cross multiply
    60,536.80x = 90,805.20 × 16,163.72
  4. Step 4: Simplify right side
    60,536.80x = 1,467,749,827.34
  5. Step 5: Solve for x
    x = 1,467,749,827.34/60,536.80
  6. Step 6: Final answer
    x = 24,245.58

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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.