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Finding the Fourth Proportional to 6,326.16, 8,729.92 and 3,493.32

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Solution

The fourth proportional to 6,326.16, 8,729.92 and 3,493.32 is: 4,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.16 : 8,729.92 = 3,493.32 : x
  2. Step 2: Convert to fraction form
    6,326.16/8,729.92 = 3,493.32/x
  3. Step 3: Cross multiply
    6,326.16x = 8,729.92 × 3,493.32
  4. Step 4: Simplify right side
    6,326.16x = 30,496,404.13
  5. Step 5: Solve for x
    x = 30,496,404.13/6,326.16
  6. Step 6: Final answer
    x = 4,820.68

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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.