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Finding the Fourth Proportional to 61,357.72, 92,046.32 and 19,795

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Solution

The fourth proportional to 61,357.72, 92,046.32 and 19,795 is: 29,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.72 : 92,046.32 = 19,795 : x
  2. Step 2: Convert to fraction form
    61,357.72/92,046.32 = 19,795/x
  3. Step 3: Cross multiply
    61,357.72x = 92,046.32 × 19,795
  4. Step 4: Simplify right side
    61,357.72x = 1,822,056,904.40
  5. Step 5: Solve for x
    x = 1,822,056,904.40/61,357.72
  6. Step 6: Final answer
    x = 29,695.64

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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.