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Finding the Fourth Proportional to 65,893.82, 98,840.93 and 15,973.72

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Solution

The fourth proportional to 65,893.82, 98,840.93 and 15,973.72 is: 23,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,893.82 : 98,840.93 = 15,973.72 : x
  2. Step 2: Convert to fraction form
    65,893.82/98,840.93 = 15,973.72/x
  3. Step 3: Cross multiply
    65,893.82x = 98,840.93 × 15,973.72
  4. Step 4: Simplify right side
    65,893.82x = 1,578,857,340.36
  5. Step 5: Solve for x
    x = 1,578,857,340.36/65,893.82
  6. Step 6: Final answer
    x = 23,960.63

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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.