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Finding the Fourth Proportional to 62,862.50, 94,273.64 and 20,734.70

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Solution

The fourth proportional to 62,862.50, 94,273.64 and 20,734.70 is: 31,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,862.50 : 94,273.64 = 20,734.70 : x
  2. Step 2: Convert to fraction form
    62,862.50/94,273.64 = 20,734.70/x
  3. Step 3: Cross multiply
    62,862.50x = 94,273.64 × 20,734.70
  4. Step 4: Simplify right side
    62,862.50x = 1,954,735,643.31
  5. Step 5: Solve for x
    x = 1,954,735,643.31/62,862.50
  6. Step 6: Final answer
    x = 31,095.42

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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.