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Finding the Fourth Proportional to 61,980.52, 92,976.93 and 19,850.02

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Solution

The fourth proportional to 61,980.52, 92,976.93 and 19,850.02 is: 29,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.52 : 92,976.93 = 19,850.02 : x
  2. Step 2: Convert to fraction form
    61,980.52/92,976.93 = 19,850.02/x
  3. Step 3: Cross multiply
    61,980.52x = 92,976.93 × 19,850.02
  4. Step 4: Simplify right side
    61,980.52x = 1,845,593,920.04
  5. Step 5: Solve for x
    x = 1,845,593,920.04/61,980.52
  6. Step 6: Final answer
    x = 29,777.00

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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.