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Finding the Fourth Proportional to 17,361.64, 23,959.05 and 9,403.90

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Solution

The fourth proportional to 17,361.64, 23,959.05 and 9,403.90 is: 12,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.64 : 23,959.05 = 9,403.90 : x
  2. Step 2: Convert to fraction form
    17,361.64/23,959.05 = 9,403.90/x
  3. Step 3: Cross multiply
    17,361.64x = 23,959.05 × 9,403.90
  4. Step 4: Simplify right side
    17,361.64x = 225,308,510.30
  5. Step 5: Solve for x
    x = 225,308,510.30/17,361.64
  6. Step 6: Final answer
    x = 12,977.37

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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.