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Finding the Fourth Proportional to 7,941.73, 10,959.42 and 4,404.87

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Solution

The fourth proportional to 7,941.73, 10,959.42 and 4,404.87 is: 6,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.73 : 10,959.42 = 4,404.87 : x
  2. Step 2: Convert to fraction form
    7,941.73/10,959.42 = 4,404.87/x
  3. Step 3: Cross multiply
    7,941.73x = 10,959.42 × 4,404.87
  4. Step 4: Simplify right side
    7,941.73x = 48,274,820.38
  5. Step 5: Solve for x
    x = 48,274,820.38/7,941.73
  6. Step 6: Final answer
    x = 6,078.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.