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Finding the Fourth Proportional to 61,579.38, 92,222.46 and 39,323.82

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Solution

The fourth proportional to 61,579.38, 92,222.46 and 39,323.82 is: 58,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,579.38 : 92,222.46 = 39,323.82 : x
  2. Step 2: Convert to fraction form
    61,579.38/92,222.46 = 39,323.82/x
  3. Step 3: Cross multiply
    61,579.38x = 92,222.46 × 39,323.82
  4. Step 4: Simplify right side
    61,579.38x = 3,626,539,417.00
  5. Step 5: Solve for x
    x = 3,626,539,417.00/61,579.38
  6. Step 6: Final answer
    x = 58,892.11

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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.