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Finding the Fourth Proportional to 9,768.51, 14,652.77 and 6,859.80

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Solution

The fourth proportional to 9,768.51, 14,652.77 and 6,859.80 is: 10,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.51 : 14,652.77 = 6,859.80 : x
  2. Step 2: Convert to fraction form
    9,768.51/14,652.77 = 6,859.80/x
  3. Step 3: Cross multiply
    9,768.51x = 14,652.77 × 6,859.80
  4. Step 4: Simplify right side
    9,768.51x = 100,515,037.35
  5. Step 5: Solve for x
    x = 100,515,037.35/9,768.51
  6. Step 6: Final answer
    x = 10,289.70

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Similar ratio
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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.