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Finding the Fourth Proportional to 8,651.03, 11,928.75 and 6,762.92

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Solution

The fourth proportional to 8,651.03, 11,928.75 and 6,762.92 is: 9,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.03 : 11,928.75 = 6,762.92 : x
  2. Step 2: Convert to fraction form
    8,651.03/11,928.75 = 6,762.92/x
  3. Step 3: Cross multiply
    8,651.03x = 11,928.75 × 6,762.92
  4. Step 4: Simplify right side
    8,651.03x = 80,673,181.95
  5. Step 5: Solve for x
    x = 80,673,181.95/8,651.03
  6. Step 6: Final answer
    x = 9,325.27

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Half scale
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Double scale
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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.