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Finding the Fourth Proportional to 8,801.10, 13,170.09 and 8,214.51

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Solution

The fourth proportional to 8,801.10, 13,170.09 and 8,214.51 is: 12,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.10 : 13,170.09 = 8,214.51 : x
  2. Step 2: Convert to fraction form
    8,801.10/13,170.09 = 8,214.51/x
  3. Step 3: Cross multiply
    8,801.10x = 13,170.09 × 8,214.51
  4. Step 4: Simplify right side
    8,801.10x = 108,185,836.01
  5. Step 5: Solve for x
    x = 108,185,836.01/8,801.10
  6. Step 6: Final answer
    x = 12,292.31

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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.