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Finding the Fourth Proportional to 8,326.95, 12,506.31 and 4,823.99

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Solution

The fourth proportional to 8,326.95, 12,506.31 and 4,823.99 is: 7,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.95 : 12,506.31 = 4,823.99 : x
  2. Step 2: Convert to fraction form
    8,326.95/12,506.31 = 4,823.99/x
  3. Step 3: Cross multiply
    8,326.95x = 12,506.31 × 4,823.99
  4. Step 4: Simplify right side
    8,326.95x = 60,330,251.85
  5. Step 5: Solve for x
    x = 60,330,251.85/8,326.95
  6. Step 6: Final answer
    x = 7,245.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.