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Finding the Fourth Proportional to 62,465.41, 93,728.90 and 29,187.78

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Solution

The fourth proportional to 62,465.41, 93,728.90 and 29,187.78 is: 43,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,465.41 : 93,728.90 = 29,187.78 : x
  2. Step 2: Convert to fraction form
    62,465.41/93,728.90 = 29,187.78/x
  3. Step 3: Cross multiply
    62,465.41x = 93,728.90 × 29,187.78
  4. Step 4: Simplify right side
    62,465.41x = 2,735,738,512.84
  5. Step 5: Solve for x
    x = 2,735,738,512.84/62,465.41
  6. Step 6: Final answer
    x = 43,796.05

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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.