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Finding the Fourth Proportional to 61,192.15, 91,702.79 and 33,051.53

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Solution

The fourth proportional to 61,192.15, 91,702.79 and 33,051.53 is: 49,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.15 : 91,702.79 = 33,051.53 : x
  2. Step 2: Convert to fraction form
    61,192.15/91,702.79 = 33,051.53/x
  3. Step 3: Cross multiply
    61,192.15x = 91,702.79 × 33,051.53
  4. Step 4: Simplify right side
    61,192.15x = 3,030,917,349.51
  5. Step 5: Solve for x
    x = 3,030,917,349.51/61,192.15
  6. Step 6: Final answer
    x = 49,531.15

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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.