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Finding the Fourth Proportional to 36,551.10, 54,826.65 and 20,999.10

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Solution

The fourth proportional to 36,551.10, 54,826.65 and 20,999.10 is: 31,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,551.10 : 54,826.65 = 20,999.10 : x
  2. Step 2: Convert to fraction form
    36,551.10/54,826.65 = 20,999.10/x
  3. Step 3: Cross multiply
    36,551.10x = 54,826.65 × 20,999.10
  4. Step 4: Simplify right side
    36,551.10x = 1,151,310,306.02
  5. Step 5: Solve for x
    x = 1,151,310,306.02/36,551.10
  6. Step 6: Final answer
    x = 31,498.65

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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.