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Finding the Fourth Proportional to 11,958.64, 16,500.44 and 6,922.58

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Solution

The fourth proportional to 11,958.64, 16,500.44 and 6,922.58 is: 9,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.64 : 16,500.44 = 6,922.58 : x
  2. Step 2: Convert to fraction form
    11,958.64/16,500.44 = 6,922.58/x
  3. Step 3: Cross multiply
    11,958.64x = 16,500.44 × 6,922.58
  4. Step 4: Simplify right side
    11,958.64x = 114,225,550.74
  5. Step 5: Solve for x
    x = 114,225,550.74/11,958.64
  6. Step 6: Final answer
    x = 9,551.72

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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.