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Finding the Fourth Proportional to 51,940.32, 77,882.76 and 26,955.22

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Solution

The fourth proportional to 51,940.32, 77,882.76 and 26,955.22 is: 40,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,940.32 : 77,882.76 = 26,955.22 : x
  2. Step 2: Convert to fraction form
    51,940.32/77,882.76 = 26,955.22/x
  3. Step 3: Cross multiply
    51,940.32x = 77,882.76 × 26,955.22
  4. Step 4: Simplify right side
    51,940.32x = 2,099,346,930.01
  5. Step 5: Solve for x
    x = 2,099,346,930.01/51,940.32
  6. Step 6: Final answer
    x = 40,418.44

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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.