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Finding the Fourth Proportional to 61,906.65, 92,768.94 and 36,580.13

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Solution

The fourth proportional to 61,906.65, 92,768.94 and 36,580.13 is: 54,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.65 : 92,768.94 = 36,580.13 : x
  2. Step 2: Convert to fraction form
    61,906.65/92,768.94 = 36,580.13/x
  3. Step 3: Cross multiply
    61,906.65x = 92,768.94 × 36,580.13
  4. Step 4: Simplify right side
    61,906.65x = 3,393,499,421.32
  5. Step 5: Solve for x
    x = 3,393,499,421.32/61,906.65
  6. Step 6: Final answer
    x = 54,816.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.