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Finding the Fourth Proportional to 9,616.60, 14,400.60 and 6,311.80

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Solution

The fourth proportional to 9,616.60, 14,400.60 and 6,311.80 is: 9,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.60 : 14,400.60 = 6,311.80 : x
  2. Step 2: Convert to fraction form
    9,616.60/14,400.60 = 6,311.80/x
  3. Step 3: Cross multiply
    9,616.60x = 14,400.60 × 6,311.80
  4. Step 4: Simplify right side
    9,616.60x = 90,893,707.08
  5. Step 5: Solve for x
    x = 90,893,707.08/9,616.60
  6. Step 6: Final answer
    x = 9,451.75

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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.