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Finding the Fourth Proportional to 62,862.60, 94,273.74 and 20,733.22

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Solution

The fourth proportional to 62,862.60, 94,273.74 and 20,733.22 is: 31,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,862.60 : 94,273.74 = 20,733.22 : x
  2. Step 2: Convert to fraction form
    62,862.60/94,273.74 = 20,733.22/x
  3. Step 3: Cross multiply
    62,862.60x = 94,273.74 × 20,733.22
  4. Step 4: Simplify right side
    62,862.60x = 1,954,598,191.64
  5. Step 5: Solve for x
    x = 1,954,598,191.64/62,862.60
  6. Step 6: Final answer
    x = 31,093.18

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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.