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Finding the Fourth Proportional to 4,682.32, 6,425.64 and 4,418.21

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Solution

The fourth proportional to 4,682.32, 6,425.64 and 4,418.21 is: 6,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.32 : 6,425.64 = 4,418.21 : x
  2. Step 2: Convert to fraction form
    4,682.32/6,425.64 = 4,418.21/x
  3. Step 3: Cross multiply
    4,682.32x = 6,425.64 × 4,418.21
  4. Step 4: Simplify right side
    4,682.32x = 28,389,830.54
  5. Step 5: Solve for x
    x = 28,389,830.54/4,682.32
  6. Step 6: Final answer
    x = 6,063.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.