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Finding the Fourth Proportional to 11,958.25, 17,925.74 and 5,716.64

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Solution

The fourth proportional to 11,958.25, 17,925.74 and 5,716.64 is: 8,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.25 : 17,925.74 = 5,716.64 : x
  2. Step 2: Convert to fraction form
    11,958.25/17,925.74 = 5,716.64/x
  3. Step 3: Cross multiply
    11,958.25x = 17,925.74 × 5,716.64
  4. Step 4: Simplify right side
    11,958.25x = 102,474,989.57
  5. Step 5: Solve for x
    x = 102,474,989.57/11,958.25
  6. Step 6: Final answer
    x = 8,569.40

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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.