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Finding the Fourth Proportional to 17,361.47, 23,958.86 and 9,403.70

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Solution

The fourth proportional to 17,361.47, 23,958.86 and 9,403.70 is: 12,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.47 : 23,958.86 = 9,403.70 : x
  2. Step 2: Convert to fraction form
    17,361.47/23,958.86 = 9,403.70/x
  3. Step 3: Cross multiply
    17,361.47x = 23,958.86 × 9,403.70
  4. Step 4: Simplify right side
    17,361.47x = 225,301,931.78
  5. Step 5: Solve for x
    x = 225,301,931.78/17,361.47
  6. Step 6: Final answer
    x = 12,977.12

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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.