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Finding the Fourth Proportional to 61,811.96, 85,300.51 and 33,517.65

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Solution

The fourth proportional to 61,811.96, 85,300.51 and 33,517.65 is: 46,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.96 : 85,300.51 = 33,517.65 : x
  2. Step 2: Convert to fraction form
    61,811.96/85,300.51 = 33,517.65/x
  3. Step 3: Cross multiply
    61,811.96x = 85,300.51 × 33,517.65
  4. Step 4: Simplify right side
    61,811.96x = 2,859,072,888.68
  5. Step 5: Solve for x
    x = 2,859,072,888.68/61,811.96
  6. Step 6: Final answer
    x = 46,254.36

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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.