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Finding the Fourth Proportional to 61,946.40, 85,493.40 and 36,795.96

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Solution

The fourth proportional to 61,946.40, 85,493.40 and 36,795.96 is: 50,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.40 : 85,493.40 = 36,795.96 : x
  2. Step 2: Convert to fraction form
    61,946.40/85,493.40 = 36,795.96/x
  3. Step 3: Cross multiply
    61,946.40x = 85,493.40 × 36,795.96
  4. Step 4: Simplify right side
    61,946.40x = 3,145,811,726.66
  5. Step 5: Solve for x
    x = 3,145,811,726.66/61,946.40
  6. Step 6: Final answer
    x = 50,782.80

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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.