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Finding the Fourth Proportional to 26,964.70, 40,432.65 and 11,364.70

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Solution

The fourth proportional to 26,964.70, 40,432.65 and 11,364.70 is: 17,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.70 : 40,432.65 = 11,364.70 : x
  2. Step 2: Convert to fraction form
    26,964.70/40,432.65 = 11,364.70/x
  3. Step 3: Cross multiply
    26,964.70x = 40,432.65 × 11,364.70
  4. Step 4: Simplify right side
    26,964.70x = 459,504,937.46
  5. Step 5: Solve for x
    x = 459,504,937.46/26,964.70
  6. Step 6: Final answer
    x = 17,040.98

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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.