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Finding the Fourth Proportional to 40,596.29, 60,932.40 and 20,620.07

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Solution

The fourth proportional to 40,596.29, 60,932.40 and 20,620.07 is: 30,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,596.29 : 60,932.40 = 20,620.07 : x
  2. Step 2: Convert to fraction form
    40,596.29/60,932.40 = 20,620.07/x
  3. Step 3: Cross multiply
    40,596.29x = 60,932.40 × 20,620.07
  4. Step 4: Simplify right side
    40,596.29x = 1,256,430,353.27
  5. Step 5: Solve for x
    x = 1,256,430,353.27/40,596.29
  6. Step 6: Final answer
    x = 30,949.39

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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.