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Finding the Fourth Proportional to 8,652.39, 11,946.98 and 6,760.70

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Solution

The fourth proportional to 8,652.39, 11,946.98 and 6,760.70 is: 9,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.39 : 11,946.98 = 6,760.70 : x
  2. Step 2: Convert to fraction form
    8,652.39/11,946.98 = 6,760.70/x
  3. Step 3: Cross multiply
    8,652.39x = 11,946.98 × 6,760.70
  4. Step 4: Simplify right side
    8,652.39x = 80,769,911.63
  5. Step 5: Solve for x
    x = 80,769,911.63/8,652.39
  6. Step 6: Final answer
    x = 9,334.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.