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Finding the Fourth Proportional to 17,028.90, 23,499.90 and 9,475.92

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Solution

The fourth proportional to 17,028.90, 23,499.90 and 9,475.92 is: 13,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.90 : 23,499.90 = 9,475.92 : x
  2. Step 2: Convert to fraction form
    17,028.90/23,499.90 = 9,475.92/x
  3. Step 3: Cross multiply
    17,028.90x = 23,499.90 × 9,475.92
  4. Step 4: Simplify right side
    17,028.90x = 222,683,172.41
  5. Step 5: Solve for x
    x = 222,683,172.41/17,028.90
  6. Step 6: Final answer
    x = 13,076.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.