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Finding the Fourth Proportional to 34,750.40, 47,960.52 and 19,647.68

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Solution

The fourth proportional to 34,750.40, 47,960.52 and 19,647.68 is: 27,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.40 : 47,960.52 = 19,647.68 : x
  2. Step 2: Convert to fraction form
    34,750.40/47,960.52 = 19,647.68/x
  3. Step 3: Cross multiply
    34,750.40x = 47,960.52 × 19,647.68
  4. Step 4: Simplify right side
    34,750.40x = 942,312,949.59
  5. Step 5: Solve for x
    x = 942,312,949.59/34,750.40
  6. Step 6: Final answer
    x = 27,116.61

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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.