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Finding the Fourth Proportional to 61,366.74, 92,039.86 and 16,998

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Solution

The fourth proportional to 61,366.74, 92,039.86 and 16,998 is: 25,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.74 : 92,039.86 = 16,998 : x
  2. Step 2: Convert to fraction form
    61,366.74/92,039.86 = 16,998/x
  3. Step 3: Cross multiply
    61,366.74x = 92,039.86 × 16,998
  4. Step 4: Simplify right side
    61,366.74x = 1,564,493,540.28
  5. Step 5: Solve for x
    x = 1,564,493,540.28/61,366.74
  6. Step 6: Final answer
    x = 25,494.16

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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.