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Finding the Fourth Proportional to 6,326.48, 8,730.51 and 3,531.98

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Solution

The fourth proportional to 6,326.48, 8,730.51 and 3,531.98 is: 4,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.48 : 8,730.51 = 3,531.98 : x
  2. Step 2: Convert to fraction form
    6,326.48/8,730.51 = 3,531.98/x
  3. Step 3: Cross multiply
    6,326.48x = 8,730.51 × 3,531.98
  4. Step 4: Simplify right side
    6,326.48x = 30,835,986.71
  5. Step 5: Solve for x
    x = 30,835,986.71/6,326.48
  6. Step 6: Final answer
    x = 4,874.11

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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.