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Finding the Fourth Proportional to 6,326.45, 8,730.54 and 3,493.74

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Solution

The fourth proportional to 6,326.45, 8,730.54 and 3,493.74 is: 4,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.45 : 8,730.54 = 3,493.74 : x
  2. Step 2: Convert to fraction form
    6,326.45/8,730.54 = 3,493.74/x
  3. Step 3: Cross multiply
    6,326.45x = 8,730.54 × 3,493.74
  4. Step 4: Simplify right side
    6,326.45x = 30,502,236.82
  5. Step 5: Solve for x
    x = 30,502,236.82/6,326.45
  6. Step 6: Final answer
    x = 4,821.39

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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.