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Finding the Fourth Proportional to 4,601.76, 6,354.93 and 3,934.74

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Solution

The fourth proportional to 4,601.76, 6,354.93 and 3,934.74 is: 5,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,601.76 : 6,354.93 = 3,934.74 : x
  2. Step 2: Convert to fraction form
    4,601.76/6,354.93 = 3,934.74/x
  3. Step 3: Cross multiply
    4,601.76x = 6,354.93 × 3,934.74
  4. Step 4: Simplify right side
    4,601.76x = 25,004,997.27
  5. Step 5: Solve for x
    x = 25,004,997.27/4,601.76
  6. Step 6: Final answer
    x = 5,433.79

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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.