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Finding the Fourth Proportional to 9,626.64, 14,415.04 and 8,248.80

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Solution

The fourth proportional to 9,626.64, 14,415.04 and 8,248.80 is: 12,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626.64 : 14,415.04 = 8,248.80 : x
  2. Step 2: Convert to fraction form
    9,626.64/14,415.04 = 8,248.80/x
  3. Step 3: Cross multiply
    9,626.64x = 14,415.04 × 8,248.80
  4. Step 4: Simplify right side
    9,626.64x = 118,906,781.95
  5. Step 5: Solve for x
    x = 118,906,781.95/9,626.64
  6. Step 6: Final answer
    x = 12,351.85

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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.