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Finding the Fourth Proportional to 62,147.79, 85,764.87 and 33,853.50

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Solution

The fourth proportional to 62,147.79, 85,764.87 and 33,853.50 is: 46,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,147.79 : 85,764.87 = 33,853.50 : x
  2. Step 2: Convert to fraction form
    62,147.79/85,764.87 = 33,853.50/x
  3. Step 3: Cross multiply
    62,147.79x = 85,764.87 × 33,853.50
  4. Step 4: Simplify right side
    62,147.79x = 2,903,441,026.55
  5. Step 5: Solve for x
    x = 2,903,441,026.55/62,147.79
  6. Step 6: Final answer
    x = 46,718.33

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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.