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Finding the Fourth Proportional to 8,745.76, 13,104.06 and 6,276.88

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Solution

The fourth proportional to 8,745.76, 13,104.06 and 6,276.88 is: 9,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.76 : 13,104.06 = 6,276.88 : x
  2. Step 2: Convert to fraction form
    8,745.76/13,104.06 = 6,276.88/x
  3. Step 3: Cross multiply
    8,745.76x = 13,104.06 × 6,276.88
  4. Step 4: Simplify right side
    8,745.76x = 82,252,612.13
  5. Step 5: Solve for x
    x = 82,252,612.13/8,745.76
  6. Step 6: Final answer
    x = 9,404.86

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1.5x scale

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.