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Finding the Fourth Proportional to 40,605.67, 60,906.57 and 10,619.92

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Solution

The fourth proportional to 40,605.67, 60,906.57 and 10,619.92 is: 15,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.67 : 60,906.57 = 10,619.92 : x
  2. Step 2: Convert to fraction form
    40,605.67/60,906.57 = 10,619.92/x
  3. Step 3: Cross multiply
    40,605.67x = 60,906.57 × 10,619.92
  4. Step 4: Simplify right side
    40,605.67x = 646,822,900.87
  5. Step 5: Solve for x
    x = 646,822,900.87/40,605.67
  6. Step 6: Final answer
    x = 15,929.37

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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.