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Finding the Fourth Proportional to 62,917.70, 94,420.23 and 40,675.90

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Solution

The fourth proportional to 62,917.70, 94,420.23 and 40,675.90 is: 61,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,917.70 : 94,420.23 = 40,675.90 : x
  2. Step 2: Convert to fraction form
    62,917.70/94,420.23 = 40,675.90/x
  3. Step 3: Cross multiply
    62,917.70x = 94,420.23 × 40,675.90
  4. Step 4: Simplify right side
    62,917.70x = 3,840,627,833.46
  5. Step 5: Solve for x
    x = 3,840,627,833.46/62,917.70
  6. Step 6: Final answer
    x = 61,042.09

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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.