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Finding the Fourth Proportional to 7,321.76, 11,032.60 and 6,051.68

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Solution

The fourth proportional to 7,321.76, 11,032.60 and 6,051.68 is: 9,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.76 : 11,032.60 = 6,051.68 : x
  2. Step 2: Convert to fraction form
    7,321.76/11,032.60 = 6,051.68/x
  3. Step 3: Cross multiply
    7,321.76x = 11,032.60 × 6,051.68
  4. Step 4: Simplify right side
    7,321.76x = 66,765,764.77
  5. Step 5: Solve for x
    x = 66,765,764.77/7,321.76
  6. Step 6: Final answer
    x = 9,118.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.