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Finding the Fourth Proportional to 30,443.93, 45,665.97 and 9,383.29

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Solution

The fourth proportional to 30,443.93, 45,665.97 and 9,383.29 is: 14,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.93 : 45,665.97 = 9,383.29 : x
  2. Step 2: Convert to fraction form
    30,443.93/45,665.97 = 9,383.29/x
  3. Step 3: Cross multiply
    30,443.93x = 45,665.97 × 9,383.29
  4. Step 4: Simplify right side
    30,443.93x = 428,497,039.64
  5. Step 5: Solve for x
    x = 428,497,039.64/30,443.93
  6. Step 6: Final answer
    x = 14,074.96

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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.