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Finding the Fourth Proportional to 6,325.88, 8,729.55 and 3,493.46

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Solution

The fourth proportional to 6,325.88, 8,729.55 and 3,493.46 is: 4,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.88 : 8,729.55 = 3,493.46 : x
  2. Step 2: Convert to fraction form
    6,325.88/8,729.55 = 3,493.46/x
  3. Step 3: Cross multiply
    6,325.88x = 8,729.55 × 3,493.46
  4. Step 4: Simplify right side
    6,325.88x = 30,496,333.74
  5. Step 5: Solve for x
    x = 30,496,333.74/6,325.88
  6. Step 6: Final answer
    x = 4,820.88

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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.