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Finding the Fourth Proportional to 8,766.90, 13,150.35 and 4,605.30

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Solution

The fourth proportional to 8,766.90, 13,150.35 and 4,605.30 is: 6,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.90 : 13,150.35 = 4,605.30 : x
  2. Step 2: Convert to fraction form
    8,766.90/13,150.35 = 4,605.30/x
  3. Step 3: Cross multiply
    8,766.90x = 13,150.35 × 4,605.30
  4. Step 4: Simplify right side
    8,766.90x = 60,561,306.86
  5. Step 5: Solve for x
    x = 60,561,306.86/8,766.90
  6. Step 6: Final answer
    x = 6,907.95

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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.