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Finding the Fourth Proportional to 62,206.54, 85,845.32 and 35,350.50

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Solution

The fourth proportional to 62,206.54, 85,845.32 and 35,350.50 is: 48,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206.54 : 85,845.32 = 35,350.50 : x
  2. Step 2: Convert to fraction form
    62,206.54/85,845.32 = 35,350.50/x
  3. Step 3: Cross multiply
    62,206.54x = 85,845.32 × 35,350.50
  4. Step 4: Simplify right side
    62,206.54x = 3,034,674,984.66
  5. Step 5: Solve for x
    x = 3,034,674,984.66/62,206.54
  6. Step 6: Final answer
    x = 48,783.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.