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Finding the Fourth Proportional to 17,357.32, 23,953.11 and 9,399.58

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Solution

The fourth proportional to 17,357.32, 23,953.11 and 9,399.58 is: 12,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357.32 : 23,953.11 = 9,399.58 : x
  2. Step 2: Convert to fraction form
    17,357.32/23,953.11 = 9,399.58/x
  3. Step 3: Cross multiply
    17,357.32x = 23,953.11 × 9,399.58
  4. Step 4: Simplify right side
    17,357.32x = 225,149,173.69
  5. Step 5: Solve for x
    x = 225,149,173.69/17,357.32
  6. Step 6: Final answer
    x = 12,971.42

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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.