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Finding the Fourth Proportional to 62,366.72, 93,550.88 and 20,813.72

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Solution

The fourth proportional to 62,366.72, 93,550.88 and 20,813.72 is: 31,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,366.72 : 93,550.88 = 20,813.72 : x
  2. Step 2: Convert to fraction form
    62,366.72/93,550.88 = 20,813.72/x
  3. Step 3: Cross multiply
    62,366.72x = 93,550.88 × 20,813.72
  4. Step 4: Simplify right side
    62,366.72x = 1,947,141,822.07
  5. Step 5: Solve for x
    x = 1,947,141,822.07/62,366.72
  6. Step 6: Final answer
    x = 31,220.85

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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.