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Finding the Fourth Proportional to 62,754.58, 94,145.94 and 21,200.50

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Solution

The fourth proportional to 62,754.58, 94,145.94 and 21,200.50 is: 31,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.58 : 94,145.94 = 21,200.50 : x
  2. Step 2: Convert to fraction form
    62,754.58/94,145.94 = 21,200.50/x
  3. Step 3: Cross multiply
    62,754.58x = 94,145.94 × 21,200.50
  4. Step 4: Simplify right side
    62,754.58x = 1,995,941,000.97
  5. Step 5: Solve for x
    x = 1,995,941,000.97/62,754.58
  6. Step 6: Final answer
    x = 31,805.50

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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.