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Finding the Fourth Proportional to 62,766.51, 86,596.56 and 35,889.90

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Solution

The fourth proportional to 62,766.51, 86,596.56 and 35,889.90 is: 49,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,766.51 : 86,596.56 = 35,889.90 : x
  2. Step 2: Convert to fraction form
    62,766.51/86,596.56 = 35,889.90/x
  3. Step 3: Cross multiply
    62,766.51x = 86,596.56 × 35,889.90
  4. Step 4: Simplify right side
    62,766.51x = 3,107,941,878.74
  5. Step 5: Solve for x
    x = 3,107,941,878.74/62,766.51
  6. Step 6: Final answer
    x = 49,515.93

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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.