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Finding the Fourth Proportional to 6,326.91, 8,730.54 and 3,674.52

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Solution

The fourth proportional to 6,326.91, 8,730.54 and 3,674.52 is: 5,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.91 : 8,730.54 = 3,674.52 : x
  2. Step 2: Convert to fraction form
    6,326.91/8,730.54 = 3,674.52/x
  3. Step 3: Cross multiply
    6,326.91x = 8,730.54 × 3,674.52
  4. Step 4: Simplify right side
    6,326.91x = 32,080,543.84
  5. Step 5: Solve for x
    x = 32,080,543.84/6,326.91
  6. Step 6: Final answer
    x = 5,070.49

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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.