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Finding the Fourth Proportional to 61,879.19, 92,815.73 and 33,854.00

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Solution

The fourth proportional to 61,879.19, 92,815.73 and 33,854.00 is: 50,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.19 : 92,815.73 = 33,854.00 : x
  2. Step 2: Convert to fraction form
    61,879.19/92,815.73 = 33,854.00/x
  3. Step 3: Cross multiply
    61,879.19x = 92,815.73 × 33,854.00
  4. Step 4: Simplify right side
    61,879.19x = 3,142,183,090.07
  5. Step 5: Solve for x
    x = 3,142,183,090.07/61,879.19
  6. Step 6: Final answer
    x = 50,779.32

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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.