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Finding the Fourth Proportional to 10,633.08, 15,935.94 and 9,313.68

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Solution

The fourth proportional to 10,633.08, 15,935.94 and 9,313.68 is: 13,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.08 : 15,935.94 = 9,313.68 : x
  2. Step 2: Convert to fraction form
    10,633.08/15,935.94 = 9,313.68/x
  3. Step 3: Cross multiply
    10,633.08x = 15,935.94 × 9,313.68
  4. Step 4: Simplify right side
    10,633.08x = 148,422,245.66
  5. Step 5: Solve for x
    x = 148,422,245.66/10,633.08
  6. Step 6: Final answer
    x = 13,958.54

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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.