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Finding the Fourth Proportional to 9,074.82, 13,599.54 and 4,917.09

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Solution

The fourth proportional to 9,074.82, 13,599.54 and 4,917.09 is: 7,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.82 : 13,599.54 = 4,917.09 : x
  2. Step 2: Convert to fraction form
    9,074.82/13,599.54 = 4,917.09/x
  3. Step 3: Cross multiply
    9,074.82x = 13,599.54 × 4,917.09
  4. Step 4: Simplify right side
    9,074.82x = 66,870,162.14
  5. Step 5: Solve for x
    x = 66,870,162.14/9,074.82
  6. Step 6: Final answer
    x = 7,368.76

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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.