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Finding the Fourth Proportional to 9,333.56, 12,879.92 and 5,084.54

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Solution

The fourth proportional to 9,333.56, 12,879.92 and 5,084.54 is: 7,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.56 : 12,879.92 = 5,084.54 : x
  2. Step 2: Convert to fraction form
    9,333.56/12,879.92 = 5,084.54/x
  3. Step 3: Cross multiply
    9,333.56x = 12,879.92 × 5,084.54
  4. Step 4: Simplify right side
    9,333.56x = 65,488,378.61
  5. Step 5: Solve for x
    x = 65,488,378.61/9,333.56
  6. Step 6: Final answer
    x = 7,016.45

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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.