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Finding the Fourth Proportional to 61,060.36, 91,624.56 and 32,979.84

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Solution

The fourth proportional to 61,060.36, 91,624.56 and 32,979.84 is: 49,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,060.36 : 91,624.56 = 32,979.84 : x
  2. Step 2: Convert to fraction form
    61,060.36/91,624.56 = 32,979.84/x
  3. Step 3: Cross multiply
    61,060.36x = 91,624.56 × 32,979.84
  4. Step 4: Simplify right side
    61,060.36x = 3,021,763,328.87
  5. Step 5: Solve for x
    x = 3,021,763,328.87/61,060.36
  6. Step 6: Final answer
    x = 49,488.13

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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.