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Finding the Fourth Proportional to 18,684.53, 28,026.89 and 5,537.01

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Solution

The fourth proportional to 18,684.53, 28,026.89 and 5,537.01 is: 8,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.53 : 28,026.89 = 5,537.01 : x
  2. Step 2: Convert to fraction form
    18,684.53/28,026.89 = 5,537.01/x
  3. Step 3: Cross multiply
    18,684.53x = 28,026.89 × 5,537.01
  4. Step 4: Simplify right side
    18,684.53x = 155,185,170.20
  5. Step 5: Solve for x
    x = 155,185,170.20/18,684.53
  6. Step 6: Final answer
    x = 8,305.54

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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.