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Finding the Fourth Proportional to 17,133.20, 25,699.80 and 8,801.60

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Solution

The fourth proportional to 17,133.20, 25,699.80 and 8,801.60 is: 13,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.20 : 25,699.80 = 8,801.60 : x
  2. Step 2: Convert to fraction form
    17,133.20/25,699.80 = 8,801.60/x
  3. Step 3: Cross multiply
    17,133.20x = 25,699.80 × 8,801.60
  4. Step 4: Simplify right side
    17,133.20x = 226,199,359.68
  5. Step 5: Solve for x
    x = 226,199,359.68/17,133.20
  6. Step 6: Final answer
    x = 13,202.40

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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.