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Finding the Fourth Proportional to 4,682.46, 6,461.16 and 3,934.56

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Solution

The fourth proportional to 4,682.46, 6,461.16 and 3,934.56 is: 5,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.46 : 6,461.16 = 3,934.56 : x
  2. Step 2: Convert to fraction form
    4,682.46/6,461.16 = 3,934.56/x
  3. Step 3: Cross multiply
    4,682.46x = 6,461.16 × 3,934.56
  4. Step 4: Simplify right side
    4,682.46x = 25,421,821.69
  5. Step 5: Solve for x
    x = 25,421,821.69/4,682.46
  6. Step 6: Final answer
    x = 5,429.16

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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.