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Finding the Fourth Proportional to 60,613.70, 90,922.03 and 20,632.60

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Solution

The fourth proportional to 60,613.70, 90,922.03 and 20,632.60 is: 30,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.70 : 90,922.03 = 20,632.60 : x
  2. Step 2: Convert to fraction form
    60,613.70/90,922.03 = 20,632.60/x
  3. Step 3: Cross multiply
    60,613.70x = 90,922.03 × 20,632.60
  4. Step 4: Simplify right side
    60,613.70x = 1,875,957,938.25
  5. Step 5: Solve for x
    x = 1,875,957,938.25/60,613.70
  6. Step 6: Final answer
    x = 30,949.41

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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.