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Finding the Fourth Proportional to 11,932.32, 16,466.73 and 6,627.63

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Solution

The fourth proportional to 11,932.32, 16,466.73 and 6,627.63 is: 9,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.32 : 16,466.73 = 6,627.63 : x
  2. Step 2: Convert to fraction form
    11,932.32/16,466.73 = 6,627.63/x
  3. Step 3: Cross multiply
    11,932.32x = 16,466.73 × 6,627.63
  4. Step 4: Simplify right side
    11,932.32x = 109,135,393.75
  5. Step 5: Solve for x
    x = 109,135,393.75/11,932.32
  6. Step 6: Final answer
    x = 9,146.20

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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.