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Finding the Fourth Proportional to 51,392.36, 70,941.06 and 33,491.76

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Solution

The fourth proportional to 51,392.36, 70,941.06 and 33,491.76 is: 46,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.36 : 70,941.06 = 33,491.76 : x
  2. Step 2: Convert to fraction form
    51,392.36/70,941.06 = 33,491.76/x
  3. Step 3: Cross multiply
    51,392.36x = 70,941.06 × 33,491.76
  4. Step 4: Simplify right side
    51,392.36x = 2,375,940,955.67
  5. Step 5: Solve for x
    x = 2,375,940,955.67/51,392.36
  6. Step 6: Final answer
    x = 46,231.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.