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Finding the Fourth Proportional to 8,801.89, 13,202.89 and 2,228.07

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Solution

The fourth proportional to 8,801.89, 13,202.89 and 2,228.07 is: 3,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.89 : 13,202.89 = 2,228.07 : x
  2. Step 2: Convert to fraction form
    8,801.89/13,202.89 = 2,228.07/x
  3. Step 3: Cross multiply
    8,801.89x = 13,202.89 × 2,228.07
  4. Step 4: Simplify right side
    8,801.89x = 29,416,963.12
  5. Step 5: Solve for x
    x = 29,416,963.12/8,801.89
  6. Step 6: Final answer
    x = 3,342.12

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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.