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Finding the Fourth Proportional to 9,016.56, 13,493.16 and 7,799.28

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Solution

The fourth proportional to 9,016.56, 13,493.16 and 7,799.28 is: 11,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,016.56 : 13,493.16 = 7,799.28 : x
  2. Step 2: Convert to fraction form
    9,016.56/13,493.16 = 7,799.28/x
  3. Step 3: Cross multiply
    9,016.56x = 13,493.16 × 7,799.28
  4. Step 4: Simplify right side
    9,016.56x = 105,236,932.92
  5. Step 5: Solve for x
    x = 105,236,932.92/9,016.56
  6. Step 6: Final answer
    x = 11,671.52

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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.