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Finding the Fourth Proportional to 61,730.75, 92,586.65 and 19,605.38

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Solution

The fourth proportional to 61,730.75, 92,586.65 and 19,605.38 is: 29,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.75 : 92,586.65 = 19,605.38 : x
  2. Step 2: Convert to fraction form
    61,730.75/92,586.65 = 19,605.38/x
  3. Step 3: Cross multiply
    61,730.75x = 92,586.65 × 19,605.38
  4. Step 4: Simplify right side
    61,730.75x = 1,815,196,736.66
  5. Step 5: Solve for x
    x = 1,815,196,736.66/61,730.75
  6. Step 6: Final answer
    x = 29,405.06

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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.