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Finding the Fourth Proportional to 30,185.69, 41,656.10 and 16,756.82

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Solution

The fourth proportional to 30,185.69, 41,656.10 and 16,756.82 is: 23,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.69 : 41,656.10 = 16,756.82 : x
  2. Step 2: Convert to fraction form
    30,185.69/41,656.10 = 16,756.82/x
  3. Step 3: Cross multiply
    30,185.69x = 41,656.10 × 16,756.82
  4. Step 4: Simplify right side
    30,185.69x = 698,023,915.19
  5. Step 5: Solve for x
    x = 698,023,915.19/30,185.69
  6. Step 6: Final answer
    x = 23,124.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.