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Finding the Fourth Proportional to 23,969.81, 35,959.91 and 9,178.73

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Solution

The fourth proportional to 23,969.81, 35,959.91 and 9,178.73 is: 13,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,969.81 : 35,959.91 = 9,178.73 : x
  2. Step 2: Convert to fraction form
    23,969.81/35,959.91 = 9,178.73/x
  3. Step 3: Cross multiply
    23,969.81x = 35,959.91 × 9,178.73
  4. Step 4: Simplify right side
    23,969.81x = 330,066,213.87
  5. Step 5: Solve for x
    x = 330,066,213.87/23,969.81
  6. Step 6: Final answer
    x = 13,770.08

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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.