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Finding the Fourth Proportional to 62,752.58, 94,142.94 and 21,198.50

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Solution

The fourth proportional to 62,752.58, 94,142.94 and 21,198.50 is: 31,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752.58 : 94,142.94 = 21,198.50 : x
  2. Step 2: Convert to fraction form
    62,752.58/94,142.94 = 21,198.50/x
  3. Step 3: Cross multiply
    62,752.58x = 94,142.94 × 21,198.50
  4. Step 4: Simplify right side
    62,752.58x = 1,995,689,113.59
  5. Step 5: Solve for x
    x = 1,995,689,113.59/62,752.58
  6. Step 6: Final answer
    x = 31,802.50

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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.