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Finding the Fourth Proportional to 61,769.25, 92,656.10 and 17,399.88

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Solution

The fourth proportional to 61,769.25, 92,656.10 and 17,399.88 is: 26,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,769.25 : 92,656.10 = 17,399.88 : x
  2. Step 2: Convert to fraction form
    61,769.25/92,656.10 = 17,399.88/x
  3. Step 3: Cross multiply
    61,769.25x = 92,656.10 × 17,399.88
  4. Step 4: Simplify right side
    61,769.25x = 1,612,205,064.77
  5. Step 5: Solve for x
    x = 1,612,205,064.77/61,769.25
  6. Step 6: Final answer
    x = 26,100.45

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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.