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Finding the Fourth Proportional to 18,801.46, 28,202.51 and 8,800.66

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Solution

The fourth proportional to 18,801.46, 28,202.51 and 8,800.66 is: 13,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.46 : 28,202.51 = 8,800.66 : x
  2. Step 2: Convert to fraction form
    18,801.46/28,202.51 = 8,800.66/x
  3. Step 3: Cross multiply
    18,801.46x = 28,202.51 × 8,800.66
  4. Step 4: Simplify right side
    18,801.46x = 248,200,701.66
  5. Step 5: Solve for x
    x = 248,200,701.66/18,801.46
  6. Step 6: Final answer
    x = 13,201.14

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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.