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Finding the Fourth Proportional to 61,600.43, 92,412.05 and 19,491.12

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Solution

The fourth proportional to 61,600.43, 92,412.05 and 19,491.12 is: 29,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.43 : 92,412.05 = 19,491.12 : x
  2. Step 2: Convert to fraction form
    61,600.43/92,412.05 = 19,491.12/x
  3. Step 3: Cross multiply
    61,600.43x = 92,412.05 × 19,491.12
  4. Step 4: Simplify right side
    61,600.43x = 1,801,214,356.00
  5. Step 5: Solve for x
    x = 1,801,214,356.00/61,600.43
  6. Step 6: Final answer
    x = 29,240.29

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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.