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Finding the Fourth Proportional to 36,321.96, 54,482.94 and 15,530.88

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Solution

The fourth proportional to 36,321.96, 54,482.94 and 15,530.88 is: 23,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.96 : 54,482.94 = 15,530.88 : x
  2. Step 2: Convert to fraction form
    36,321.96/54,482.94 = 15,530.88/x
  3. Step 3: Cross multiply
    36,321.96x = 54,482.94 × 15,530.88
  4. Step 4: Simplify right side
    36,321.96x = 846,168,003.19
  5. Step 5: Solve for x
    x = 846,168,003.19/36,321.96
  6. Step 6: Final answer
    x = 23,296.32

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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.