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Finding the Fourth Proportional to 46,209.92, 68,980.62 and 40,604.90

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Solution

The fourth proportional to 46,209.92, 68,980.62 and 40,604.90 is: 60,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,209.92 : 68,980.62 = 40,604.90 : x
  2. Step 2: Convert to fraction form
    46,209.92/68,980.62 = 40,604.90/x
  3. Step 3: Cross multiply
    46,209.92x = 68,980.62 × 40,604.90
  4. Step 4: Simplify right side
    46,209.92x = 2,800,950,974.01
  5. Step 5: Solve for x
    x = 2,800,950,974.01/46,209.92
  6. Step 6: Final answer
    x = 60,613.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.