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Finding the Fourth Proportional to 46,203.80, 68,971.46 and 40,598.78

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Solution

The fourth proportional to 46,203.80, 68,971.46 and 40,598.78 is: 60,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,203.80 : 68,971.46 = 40,598.78 : x
  2. Step 2: Convert to fraction form
    46,203.80/68,971.46 = 40,598.78/x
  3. Step 3: Cross multiply
    46,203.80x = 68,971.46 × 40,598.78
  4. Step 4: Simplify right side
    46,203.80x = 2,800,156,582.97
  5. Step 5: Solve for x
    x = 2,800,156,582.97/46,203.80
  6. Step 6: Final answer
    x = 60,604.47

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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.